Best Places to Scuba Dive in the US

Discover America's Underwater Treasures

The United States offers some of the world's most spectacular scuba diving destinations, including tropical coral reefs, towering kelp forests, historic shipwrecks, and freshwater springs. American waters offer endless scuba diving trips, with 294 top dive sites listed throughout the USA, including 88 reef dives, 79 ocean dives, and 71 beach dives.

Thanks to our country’s natural diversity, we have some of the best scuba diving attractions that span an impressive range. Hundreds of shipwrecks dot the seafloor from the Great Lakes to the Atlantic and Pacific coasts. At the same time, 18 marine protected areas include more than 629,000 square miles of astonishing underwater habitats, to name a few.

You can dive in the cold, fresh waters of Lake Huron that have preserved more than 200 shipwrecks, or choose warm tropical waters that are home to the third-largest reef system in the world in Florida. America's diving destinations fulfill all diving expectations at every skill level.

Let’s take a look at the 50 best dive travel destinations in the United States!

Atlantic Ocean & East Coast

1. John Pennekamp Coral Reef State Park, Florida Keys

America's first underwater preserve is the crown jewel of accessible tropical diving. It features living coral reefs and the iconic Christ of the Abyss statue submerged in 25 feet of crystal-clear water.

This protected marine sanctuary welcomes scuba divers of all skill levels with depths ranging from 5 to 25 feet. It’s ideal for both beginners and underwater photographers.

The best diving conditions are from April to October when water temperatures reach their warmest and visibility peaks.

Beneath the waves, you will find a lively life and an ecosystem packed with tropical fish, massive goliath grouper, spiny lobsters, colorful eels, and sea turtles navigating and swimming around coral formations.

2. USS Spiegel Grove, Key Largo, Florida

The massive 510-foot Navy landing ship, Spiegel Grove, is one of the most impressive artificial reefs accessible to recreational divers, having been deliberately sunk in 2002 to create a spectacular underwater ecosystem.

This advanced dive site challenges experienced divers with depths ranging from 60 to 134 feet. It requires proper certification and experience to navigate the ship's massive structure and surrounding currents safely.

The best diving season runs from April to October when water temperatures reach the mid-80s and visibility often exceeds 100 feet.

The wreck has quickly become a magnet for marine life, with coral growth rapidly colonizing the ship's surfaces. At the same time, schools of tropical fish, barracuda, and occasional sharks patrol the surrounding waters.

3. USCG Duane, Key Largo, Florida

The 327-foot Coast Guard cutter Duane, resting upright in 120 feet of water since 1987, offers advanced divers one of the most interesting wreck diving experiences in American waters.

To visit the wreck, you must have an advanced certification, as the dive site is challenging due to its depth and open-water location, which is prone to strong currents. You will be greatly rewarded, though, because these same currents bring exceptional visibility and attract an abundance of marine life.

You can dive all year long, with the best conditions from April through October, when water temperatures are warmest and the weather is most stable.

The wreck serves as an artificial reef magnet, drawing schools of fish and providing shelter for moray eels and lobsters. Its masts rise to 60 feet, and the superstructure offers multiple penetration opportunities for appropriately trained wreck divers.

4. Vandenberg Wreck, Key West, Florida

The imposing 523-foot former missile-tracking ship Vandenberg holds the distinction of being the second-largest vessel ever purposely sunk to create an artificial reef, now resting in 70 to 100 feet of water off Key West.

This site targets advanced divers, requiring proper certification and experience due to its size, depth, and the strong currents that occasionally sweep through the area.

The prime diving season extends from April through October when water temperatures remain in the comfortable 80s and weather conditions are most favorable.

Despite being sunk only in 2009, the wreck has rapidly turned into a thriving ecosystem with coral growth beginning to colonize the massive structure. You can see schools of fish, sea turtles, and larger species that now call this underwater giant home.

5. Molasses Reef, Key Largo, Florida

The extensive Molasses Reef complex is one of the most visited coral reef systems in the Florida Keys. It features dramatic tongue-and-groove formations that plunge to depths exceeding 70 feet.

This remarkable site is ideal for divers of all skill levels, with shallow areas perfect for beginners and deeper sections that can challenge more advanced divers. The highlight is the historic Molasses Reef lighthouse that has guided mariners for generations.

Year-round tropical conditions make this reef accessible throughout all seasons, though the calmest seas and warmest waters occur from April through October.

The reef teems with marine life, including massive brain coral, star coral formations, spiny lobsters, and colorful parrotfish and angelfish. You also get to see sea turtles, spotted rays, and nurse sharks resting beneath coral ledges.

6. Looe Key Reef, Florida Keys

Located six miles from Ramrod Key, Looe Key is one of the most biodiverse shallow-water diving experiences in the United States, featuring an entirely submerged reef that offers exceptional visibility, often exceeding 90 feet.

The site welcomes divers of all experience levels with its gentle depths ranging from 5 to 30 feet. The abundance of marine life offers endless fascination, even if you are an experienced underwater explorer.

With year-round diving conditions, you can access Looe Key all seasons, with the most transparent waters and calmest conditions occurring during the warmer months, from April to October.

This protected marine sanctuary bursts with life ranging from tiny tropical fish to massive goliath grouper weighing hundreds of pounds, as well as rays and fan corals.

7. Sombrero Reef, Marathon, Florida

The historic Sombrero Reef, marked by its towering 140-foot lighthouse built before the Civil War, offers some of the most spectacular shallow-water diving in the Florida Keys with crystal-clear waters and extraordinary biodiversity.

This spur-and-groove reef formation matches divers and snorkelers of all skill levels with depths ranging from just 5 to 35 feet. It’s an ideal destination for families and underwater photographers seeking vibrant and lively coral scenes.

Year-round tropical conditions make diving effortless. However, we recommend diving in Sombrero Reef from spring through fall. This period features the warmest waters and calmest seas.

Beneath the surface, coral formations create an underwater garden populated by colorful fish, including spotlight parrotfish, rainbow parrotfish, princess parrotfish, damselfish, and angelfish. You will also see sea turtles and rays among the swaying sea fans and towering coral heads.

8. Blue Heron Bridge, Riviera Beach, Florida

Renowned as one of the finest shore dives in the United States, Blue Heron Bridge offers exceptional macro photography opportunities and incredible biodiversity in surprisingly shallow waters accessible directly from the beach.

This diving site welcomes divers of all skill levels, thanks to its easy entry and shallow depths. However, the incredible variety of small marine life will instantly astonish all divers and marine life enthusiasts.

This spot is at its best during high tide when visibility improves dramatically and marine life activity reaches its peak. We recommend you time the tide for the best underwater experience.

The sandy bottom and artificial reef structures beneath the bridge are home to an astounding variety of creatures, including seahorses clinging to pier pilings, colorful octopuses, frogfish camouflaged against the substrate, and other tropical fish, as well as the mantis shrimp.

9. Flower Garden Banks National Marine Sanctuary, Gulf of Mexico

Located 100 miles off the Texas coast, Flower Garden Banks is the most pristine coral reef ecosystem in United States waters. It is ideal for advanced divers to access untouched coral gardens that rival any tropical destination worldwide.

This remote sanctuary requires advanced diving skills because of its offshore location, depths ranging from 55 to 130 feet, and the logistics of reaching these far-flung reefs via liveaboard vessels.

The diving season is split between warm-water months (May to October), with temperatures in the mid-80s, and cooler winter diving (February to April), with different marine life.

This underwater paradise hosts over 20 types of coral, more than 800 species of mollusks and sponges, and 300+ fish species. You can meet eagle rays, manta rays, and various shark species that patrol the reefs. You may even be lucky enough to encounter seasonal whale sharks, providing you with the ultimate big-animal experience.

10. USS Monitor, North Carolina

The historic Civil War ironclad USS Monitor rests at 230 feet off Cape Hatteras, where it sank in 1862 with the loss of 16 men.

This technical diving site requires advanced certification, proper equipment, and extensive experience because of its depth, strong currents, and historical importance that demands respectful exploration.

The best diving season runs from September through May when plankton blooms are minimal and visibility reaches its peak, though weather conditions can be challenging during winter months.

The shipwreck has become a thriving artificial habitat that supports an abundance of marine life that uses the historic vessel's structure for shelter and feeding. It’s a living memorial where history and marine biology intersect in the deep waters off the coast of North Carolina.

11. Graveyard of the Atlantic, North Carolina

The waters off North Carolina's Outer Banks contain over 2,000 shipwrecks, including many World War II vessels that fell victim to German U-boat attacks during the Battle of the Atlantic.

These wreck sites are great for intermediate to advanced divers as they include accessible recreational wrecks as well as deep technical diving challenges.

The best diving season extends from late spring through early fall when water temperatures are warmest and sea conditions are most favorable for the offshore boat trips required to reach these historic sites.

The artificial reef communities that have developed on these wrecks support marine life, including sand tiger sharks that appear seasonally, massive schools of amberjack, grouper, and barracuda. The wrecks themselves are reminders of wartime sacrifice, which have now transformed into underwater memorials teeming with life.

12. Thunder Bay National Marine Sanctuary, Michigan

The cold, fresh waters of Lake Huron have preserved more than 200 shipwrecks within Thunder Bay National Marine Sanctuary. It is one of the world's finest collections of historic vessels spanning centuries of Great Lakes maritime history.

This freshwater diving destination is perfect for all skill levels, such as snorkelers exploring shallow wrecks as well as technical divers diving for deep vessels that rest in the lake's waters.

The visibility exceeds 100 feet because of the lake’s lack of saltwater all year long. Still, summer months are the most comfortable, with water temperatures reaching into the 70s.

The wrecks are remarkably preserved, and many are marked with seasonal mooring buoys. You can explore schooners, steamships, and freighters in their original condition. These wrecks provide a glimpse into America's maritime heritage, all with the added benefit of being surrounded by freshwater fish species.

13. Stellwagen Bank National Marine Sanctuary, Massachusetts

The offshore waters of Stellwagen Bank National Marine Sanctuary protect seldom-visited underwater environments at the mouth of Massachusetts Bay, including historic shipwrecks and many marine habitats.

The sanctuary is an advanced diving destination, and you need proper certification and experience because of its offshore location, variable weather conditions, and the strong currents that can occur around the sanctuary's underwater topography.

The summer months have the most favorable diving conditions, with relatively calm seas and the warmest water temperatures the region has to offer. However, you can expect cooler conditions than those found in tropical destinations.

The area’s rich waters are brimming with marine life, including whales, seals, and many fish species. The historic shipwrecks scattered across the seafloor provide a perfect habitat for aquatic life and offer glimpses into New England's extensive maritime history.

14. Block Island, Rhode Island

The waters surrounding Block Island provide northeastern divers with access to historic shipwrecks and rocky reef systems that showcase the rugged beauty of New England's underwater landscapes.

This site constitutes an intermediate to advanced diving destination. Plan your diving trip thoroughly. Block Island’s frequently changing weather conditions impact the seasonal accessibility and schedules of boat trips that access the best offshore sites.

The best diving season runs from June through October, when water temperatures are most comfortable and weather conditions are generally ideal for offshore diving activities.

These rocky reefs and historic wrecks support a diverse array of North Atlantic sea life, including lobsters hiding in crevices, schools of striped bass, and scup. The area's maritime history comes alive through the exploration of these boats that met their fate in challenging waters.

15. Cape Henlopen, Delaware

The artificial reefs and World War II shipwrecks off Cape Henlopen provide mid-Atlantic divers with accessible wreck diving opportunities and lively artificial reef communities.

This intermediate diving destination offers a range of depths and conditions suitable for properly certified divers. The artificial reefs provide easier diving than some of the deeper offshore wrecks.

The diving season extends from May through October, when water temperatures are most comfortable and weather conditions are ideal for offshore diving activities along the Delaware coast.

Cape Henlopen’s artificial reefs and historic wrecks have developed into thriving marine communities supporting sea bass, flounder, and other mid-Atlantic species. The location offers shelter and feeding opportunities that attract both small reef fish and larger predators.

Pacific Ocean & West Coast

16. Monterey Bay National Marine Sanctuary, California

The Monterey Bay National Marine Sanctuary includes some of California's most spectacular cold-water diving. It features kelp forests, seal and sea lion rookeries, and the dramatic 10,663-foot-deep Monterey Bay Submarine Canyon that brings deep-water nutrients to the surface.

This world-renowned diving destination is perfect for divers of all skill levels, with easily accessible shore diving sites. However, the cold water temperatures ranging from 50 to 60 degrees require proper thermal protection.

You can dive in the sanctuary all year long. The visibility of the site ranges from 10 to 30 feet in the nutrient-rich waters and supports an incredible abundance of sea life.

You can see seals and sea lions, playful otters, torpedo rays, colorful rockfish species, lingcod, and the occasional gray whale or other large marine life that ventures into the bay's protected waters.

17. Point Lobos State Natural Reserve, California

Point Lobos State Natural Reserve protects one of California's most spectacular marine habitats. The habitat boasts dramatic underwater landscapes and thriving kelp forests, which have been carefully preserved through strict access limitations that allow only 30 divers per day.

This exceptional diving destination is excellent for all skill levels. Be sure to reserve online in advance because of the limited daily access.

You can dive all year-round, with fall and winter offering the best visibility as summer plankton blooms subside. However, the water is quite cold, so make sure you are equipped with a thick wetsuit or a drysuit.

The reserve's protected waters harbor kelp forests, sea lions, seals, and occasional leopard sharks.

18. Channel Islands National Park, California

The Channel Islands National Park protects some of the most beautiful kelp forests on the planet. This location offers divers access to wall diving through lush kelp beds where California giant kelp ranges from the surface to depths exceeding 100 feet on rocky ocean floors.

This site is a mid-advanced diving destination that requires proper planning and certification, as it’s an offshore location. Weather conditions are variable, and you’ll need a boat to access these remote islands.

You can dive all year round, but the best conditions are from spring through fall when the weather is most favorable and water temperatures reach their annual peak. Remember that waters remain cold, so bring proper diving thermal protection.

These abundant kelp forests support an incredible diversity of marine life, including garibaldi (California's state fish), rockfish species, sea lions, and harbor seals. The islands' position at the confluence of warm and cold currents has created an unparalleled ecosystem with many sea creatures and exceptional species diversity.

19. Catalina Island, California

Santa Catalina Island is the crown jewel of West Coast scuba diving. The island has crystal-clear blue waters that seem almost tropical compared to the usually murky conditions found along much of California's coast.

The site is an ideal destination for all skill levels. Locations range from the easily accessible Casino Point Dive Park to more advanced deep-water areas. You can access them via ferry or helicopter from the mainland.

The warmest water temperatures are from spring through fall, although this location offers year-round diving opportunities.

The island's kelp forests teem with sea life, including giant black sea bass, sheep crab, sea lions, and the bright orange garibaldi fish. Multiple dive sites around the island offer everything from shallow reef exploration to wreck diving and deep-water encounters.

20. Casino Point Dive Park, Catalina Island

Established in 1962 as America's first non-profit underwater park, Casino Point Dive Park provides easily accessible shore diving in the protected waters of Avalon Harbor with a collection of sea life and underwater attractions.

This beginner-friendly site offers easy entry directly from the shore with depths suitable for all certification levels. It is an ideal location for training dives, night diving, and underwater photography practice.

You can dive all year round. You will typically find the calmest waters and warmest temperatures during the spring and summer months, although the park's protected location maintains relatively stable conditions throughout the year.

You can explore the park's underwater landscape and encounter resident abalone, octopi hiding among rocks, moray eels, and many small fish species, as well as several intentionally placed wrecks and underwater attractions.

21. Blue Cavern Point, Catalina Island

Blue Cavern Point is located approximately 90 feet deep within one of Catalina Island's marine preserves. The underwater caves filled with marine life provide a great diving location for advanced divers, who gain access to underwater caves and caverns teeming with marine life in a spectacular underwater setting.

This advanced diving trip requires proper deep diving certification and experience due to its depth and cavern systems that can complicate diving for divers.

It is possible to dive year-round around Catalina Island, with the best conditions being during spring and summer when water temperatures are at their peak and weather conditions are most favorable for boat diving.

The caverns are home to harbor seals that often rest within the protected spaces, soupfin sharks, sea bass, and many fish species that look for shelter.

22. HMCS Yukon, San Diego, California

The 366-foot Mackenzie-class destroyer HMCS Yukon rests as part of San Diego's famous Wreck Alley. Wreck Alley is a series of six artificial reefs that have transformed the seafloor into a lively underwater ecosystem, attracting divers from around the world.

This advanced wreck dive lies on its port side at a depth of 100 feet. The site requires an advanced certification and proper wreck diving training, as you must handle the vessel's tilted orientation and multiple entry and exit points.

San Diego’s waters offer year-round diving opportunities, with the warmest temperatures and calmest conditions being from spring through fall.

With time, the wreck has become encrusted with white metridium anemones and red strawberry anemones. This colorful artificial reef attracts schools of fish and provides shelter for sea life.

23. La Jolla Cove, San Diego, California

La Jolla Cove offers some of Southern California's most accessible shore diving within a protected marine reserve that highlights the region's kelp forest ecosystems and abundant sea life.

This site is perfect for all skill levels, offering easy beach access and a range of depths, from shallow areas ideal for beginning divers to deeper kelp forest regions that challenge more experienced underwater explorers.

Again, this is a year-round diving location, with water temperatures ranging from the mid-50s in winter to the upper 60s in late summer and fall.

The cove's protected waters harbor bright orange garibaldi fish, sea lions that often interact with divers, and seasonal leopard shark diving that offers spectacular encounters for those fortunate enough to visit during the summer and fall months when these gentle sharks gather in the area's sandy areas.

24. Big Sur, California

The rugged Big Sur coastline offers divers access to a wild underwater paradise of steep marine terraces and hidden coves that remain largely unspoiled because of their remote location and challenging access.

This site is an intermediate to advanced diving destination as the area is exposed to Pacific swells. You must have proper diving experience and local knowledge, so plan your trip carefully. Keep in mind that surf conditions are constantly changing and access points are limited.

The best diving season runs from spring through fall when weather conditions are most favorable and ocean swells are smaller. Be prepared for cold water temperatures that require substantial thermal protection.

This area is packed with massive lingcod lurking among rocky formations, sea otters, harbor seals, and kelp forest communities that have remained largely undisturbed by human activity.

25. Jade Cove, California

Jade Cove is a series of remote coves at the edge of Los Padres National Forest, located 65 miles south of Monterey, where thick kelp beds create an underwater forest that reaches peak density during summer and fall months.

This is an intermediate diving destination that requires proper planning and experience. The location is quite remote, with changing surf conditions. To reach any one of the access points, you must take a long drive along winding coastal roads.

Summer and fall are the best seasons to dive, when kelp growth reaches its maximum density and the weather is at its calmest.

Starting from the beach, there is a gradually sloping shelf that extends through the dense kelp beds where you can encounter plenty of California kelp forest marine life, including sea otters, harbor seals, rockfish, and lingcod.

26. Puget Sound, Washington

Puget Sound's nutrient-rich waters foster one of the world's most lively cold-water marine ecosystems. Populations of six-gill sharks and an incredible diversity of marine life thrive in these frigid but productive waters.

This advanced diving destination requires proper thermal protection, such as a drysuit, and experience with cold-water diving techniques, strong currents, and limited visibility conditions that are typical of Pacific Northwest diving.

The best diving season runs from September through May when plankton blooms are minimal and visibility reaches its peak, although water temperatures remain cold year-round, usually in the 40s and 50s.

These rich waters support wolf eels lurking in rocky crevices, giant Pacific octopuses, massive colorful plumose anemones, echinoderm communities, and the famous six-gill sharks that make Puget Sound their home.

27. Strawberry Island, San Juan Islands, Washington

Located in the Rosario Strait off Strawberry Island, this dive site earns its name from the incredible blanket of strawberry anemones that create what local dive operators describe as "mind-bogglingly beautiful" underwater scenery.

The site is an advanced diving destination. You must have experience with strong currents, as they can reach upwards of 10 knots. Also, plan for dives in depths that vary from 70 to 100 feet, and make sure you have the necessary skills to handle Pacific Northwest conditions safely.

Summer months are the best, with the calmest weather and clearest water. However, the water is cold, so be prepared by bringing proper thermal protection.

The site's underwater landscape features bull kelp forests, rockfish species, massive plumose anemones, green sea urchins covering rocky surfaces, and orange slipper sea cucumbers, all thriving in the nutrient-rich currents that make this area so spectacular for experienced divers.

28. Metridium Fields, Monterey, California

The famous Metridium Fields are Monterey Bay's finest concentration of white plumose anemones. They create an underwater garden that attracts both marine life and divers looking for one of California's most spectacular underwater scenes.

This intermediate diving site offers potential big-animal encounters, as gray whales, mola molas, and other large marine life that occasionally pass through the area. Such sightings are unpredictable and considered bonus encounters.

It is possible to dive year-round, although visibility and conditions change seasonally based on plankton blooms, weather patterns, and upwelling cycles.

The massive white anemone colonies create a stunning underwater landscape for smaller marine species. At the same time, the site's location near the edge of the Monterey Canyon system provides the possibility of encountering pelagic species that venture into shallower waters.

Hawaii

29. Manta Ray Night Dive, Kona, Big Island

The world-famous Kona manta ray night dive has become worldwide famous in travel and dive magazines as one of the planet's best night diving experiences. Up to 30 or more manta rays appear with 85% reliability to feed on plankton attracted by dive lights.

This extraordinary dive is great for all skill levels, with shallow depths of 35 feet that give extended bottom times of 45 minutes to an hour.

The optimal diving season runs from May through October when ocean conditions are calmest and visibility reaches its peak, though manta encounters occur year-round in Hawaii's consistently warm waters.

These gentle giants, some with wingspans exceeding 20 feet, perform graceful feeding displays overhead while divers kneel on the sandy bottom and observe one of nature's most spectacular shows.

30. Molokini Crater, Maui

This partially submerged volcanic crater offers world-renowned diving experiences that span shallow protected areas perfect for beginners to challenging wall dives for advanced divers along the crater's backside that drops to 360 feet.

The crater's geography creates different diving environments. The inner crater provides calm, protected conditions with depths suitable for all certification levels. The back wall offers drift diving and the possibility of encounters with large sea species.

Maui has a tropical climate, making diving possible all year long. The crater's protected location provides excellent visibility that often reaches 150 feet and calm conditions even when outer waters are rough.

This dive location supports up to 250 species of fish, many endemic to Hawaii, along with manta rays, whitetip reef sharks, octopuses hiding among coral heads, moray eels, and an incredible variety of tropical marine life.

31. Cathedrals I & II, Lanai

These underwater cathedrals feature natural arches and lava-tube caverns that have earned the nickname "Turtle Town" due to the abundance of sea turtles that populate these protected waters.

This intermediate to advanced diving destination offers unique underwater exploration, thanks to its ancient volcanic activity, with swim-through tunnels, archways, and cavern systems that create cathedral-like spaces filled with marine life.

The best diving season is from May through October, when ocean conditions around Lanai are generally calmest and visibility reaches its peak. However, diving is possible year-round in Hawaii's tropical waters.

These underwater cathedrals are home to whitetip reef sharks resting in sandy areas, bizarre frogfish camouflaged against coral surfaces, spotted eagle rays gliding through the formations, and many sea turtles that give this site its popular name.

32. YO-257, Oahu

The 185-foot YO-257 is a World War II minesweeper resting at a depth of 90 feet, offering advanced divers access to one of Hawaii's most historic and marine life-rich shipwrecks.

You must have a wreck diving certification and be experienced for this advanced diving site because of its depth and the penetration opportunities available within the vessel's structure. The wreck's upright position and multiple entry points make it accessible to properly trained divers.

The best time for diving is from May through October, when ocean conditions around Oahu are generally calmest, but Hawaii's tropical climate is typically great for diving all seasons round.

The wreck has become a thriving artificial reef supporting octopuses hiding in the ship's compartments, frogfish, and many endemic Hawaiian fish species that have made this historic location their home.

33. Hanauma Bay, Oahu

This protected marine life conservation area is one of Hawaii's most accessible and family-friendly diving and snorkeling areas, within a stunning volcanic crater that opens to the sea.

The bay is perfect for all skill levels with its shallow, protected waters and easy access from the beach. It is an ideal location for beginners, underwater photography, and marine life observation.

You will enjoy year-round diving and snorkeling conditions, with the calmest conditions during summer months when trade winds are lighter and ocean swells are smaller.

The bay's protected status and feeding restrictions have created a thriving marine ecosystem where tropical reef fish show little fear of humans, green sea turtles are friendly, and the coral formations remain healthy thanks to careful management and protection efforts.

34. Shark's Cove, Oahu

Located on Oahu's North Shore, Shark's Cove is great for intermediate divers, providing access to dramatic underwater caverns and colorful reef systems.

Because of its caverns and variable conditions, you must have proper certification and experience. Make sure you time entries and exits with ocean conditions that can change rapidly on the North Shore.

The best diving season runs from May through October, when North Shore surf is typically smaller and entry conditions more favorable. Always check current conditions before attempting this site.

The underwater landscape features dramatic lava rock formations, swim-through caverns, lively coral growth, and abundant tropical marine life, including eels hiding in crevices, octopuses camouflaged among rocks, and schools of colorful reef fish.

35. Black Rock, Maui

Black Rock is one of Maui's most accessible shore diving experiences, as it features ancient lava rock formations that extend underwater and create the perfect conditions for marine life just steps from the beach.

This site is ideal for all skill levels, with easy entry from the beach and depths suitable for beginners. It offers a diverse array of marine life to interest experienced divers and underwater photographers.

Again, it’s possible to dive year-round, although summer months are the best.

The underwater lava formations are home to colorful tropical fish, resting sea turtles, and occasional spotted eagle rays.

Freshwater Diving

36. Devil’s Den, Florida

This crystal-clear freshwater spring system delivers an underground diving experience in water so clear that visibility often reaches 100+ feet. It is an otherworldly environment for certified cave and cavern divers.

The site is ideal for divers ranging from open water certified to advanced cave divers, with the main chamber accessible to all and deeper cave systems available for experienced explorers.

It is possible to dive throughout all seasons, as water temperatures remain consistent in the 70s. Devil’s Den is especially refreshing during Florida's hot summer months when surface temperatures soar.

Freshwater fish species populate the spring system while the crystal-clear water and geological formations create a diving experience completely different from ocean environments.

37. Ginnie Springs, Florida

The Ginnie Springs system includes spring-fed dive sites, including the famous Devil's Eye and Devil's Ear. They offer everything from basic cavern experiences to extensive cave diving opportunities for properly certified divers.

This world-renowned freshwater diving destination is excellent for all certification levels. Open-water divers will enjoy the main spring areas, while advanced cave divers can explore extensive underwater cave systems that require specialized training and equipment.

Florida’s weather is consistent, making it a great place to visit all year round.

At Ginnie Springs, you will discover the best freshwater ecosystems, crystal-clear visibility, and amazing geological formations. You can even experience seasonal encounters with manatees that occasionally visit these warming spring waters during cooler months.

38. Bonne Terre Mine, Missouri

This historic flooded lead mine offers one of the world's most interesting diving experiences with 100+ feet of visibility through 24 numbered dive trails that wind past preserved mining equipment, including ore carts, trestles, trains, and industrial structures.

Whether you are an experienced diver or not, you must book a guided dive tour. All divers begin on Trail One regardless of certification level. It is an ideal destination for couples or groups with different diving experiences.

You can dive year-round, thanks to the mine's protected environment and stable water temperatures. Dive planning is predictable regardless of surface weather.

This underwater museum preserves a complete mining operation where divers can explore the maintenance dive shop, theater, and other structures. The excellent visibility turns the flooded mine into a surreal underwater landscape unlike any ocean diving experience.

39. Lake Tahoe, California/Nevada

This alpine lake offers high-altitude freshwater diving with exceptional visibility and beautiful geological formations created by the lake's volcanic origins and crystal-clear mountain water.

The site is suitable for all skill levels, although the high altitude requires proper preparation and certification adjustments. Because of the cold water temperatures, you will need substantial thermal protection, typically provided by drysuits.

Summer months have the most comfortable diving conditions with surface temperatures at their warmest. As we mentioned above, you should expect very cold water temperatures year-round due to the lake's depth and mountain location.

The lake's clear waters provide habitat for various trout species and offer spectacular underwater visibility of submerged tree stumps, rock formations, and the specific geological features that make this high-altitude diving destination completely different from usual freshwater environments.

40. Dutch Springs, Pennsylvania

This artificial quarry lake contains a fascinating collection of submerged vehicles and structures from a flooded settlement, including trolleys, buses, and planes that create an underwater museum of transportation history.

The site is for all skill levels with varying depths and easy access from the shore. It is a popular diving location for training dives, equipment testing, and underwater photography opportunities.

Summer months are the most comfortable, with water temperatures reaching into the 70s, while spring diving comes with cooler conditions in the 40s and 50s that require substantial thermal protection.

The quarry's clear water and artificial attractions provide an exceptional freshwater diving experience where you can explore vintage vehicles, practice skills around structured environments, and enjoy underwater landscapes completely different from natural lake or ocean diving.

Unique and Specialty Sites

41. Aquarius Reef Base, Florida Keys

Aquarius Reed Base is the world’s only permanent underwater research station. As such, it provides advanced and scientific divers with access to cutting-edge marine research while experiencing life in this spectacular underwater habitat.

The base constitutes a highly specialized diving opportunity and requires advanced certification, scientific diving credentials, and participation in approved research programs. You can access the site only if you are a qualified scientific or technical diver.

While Florida’s Keys tropical climate allows for year-round research operations, research schedules determine access rather than seasonal considerations.

The surrounding research-protected marine sanctuary supports untouched coral communities, plenty of tropical fish species, and marine life that benefits from the scientific protection and monitoring provided by this world-class underwater laboratory.

42. USS Oriskany, Pensacola, Florida

Known as the "Great Carrier Reef," this massive aircraft carrier is one of the world’s largest artificial reefs. The reef offers an underwater exploration experience unlike any other shipwreck.

You must be an advanced or technical diver to access this challenging dive site. The depth range and its enormous size spanning several football fields in length make the wreck especially difficult to explore.

The best time to plan your dive is from spring through fall, when Gulf waters are warmest and weather conditions are most favorable for the offshore boat trips required to reach this remarkable artificial reef.

This location has turned into a thriving marine ecosystem supporting large sea species. Thanks to the rapid coral colonization on the vessel's massive structure, several fish communities use the ship's many levels and compartments as habitat. It sometimes feels like they have created an underwater city that continues to evolve.

43. Blackwater Diving, Florida Atlantic

This unique offshore diving experience takes place at night, several miles off the Florida Atlantic coast, where you drift in open ocean waters to witness the nightly vertical migration of deep-sea life.

This advanced diving activity requires proper certification, experience with night diving, and specialized boat operators who know how to explore these offshore oceanic encounters.

This site is best during calm weather periods when ocean conditions are ideal for night diving operations, but there are year-round opportunities.

You can encounter bioluminescent organisms, rarely observed juvenile stages of fish, as well as the deepwater comb jellies that inspired director James Cameron for "The Abyss," gelatinous creatures. The site feels like an alien-like underwater experience that highlights the ocean's vertical migration patterns.

44. Georgia Aquarium, Atlanta

This massive aquarium facility offers certified divers the opportunity to dive in a controlled 200,000-gallon environment where they can observe large marine life in a safe, educational setting.

The program welcomes open-water certified divers, offering a unique underwater experience for recreational divers looking for an accessible adventure. If you are interested in aquarium diving, the facility also provides specialized training.

You can visit the aquarium all year-round, as it is a climate-controlled facility, with multiple programs available, including educational dives and specialized shark encounters that offer close interaction with marine life.

In the aquarium, you can witness encounters with a 400-pound goliath grouper, yellowfin tuna, massive sea turtles weighing up to 300 pounds, various eel species, nurse sharks, and barracuda. At the same time, the facility's "Sunken Shipwreck" experience allows you to meet up to 15 species of sharks, including sand tigers, lemon sharks, sandbar sharks, and zebra sharks, in a controlled environment.

45. Dry Tortugas National Park, Florida

Located 70 miles west of Key West, this remote national park offers some of Florida's most exceptional coral reef diving combined with historic Fort Jefferson and multiple historic shipwrecks in crystal-clear waters.

This intermediate to advanced diving destination requires careful planning due to its remote location. To access it, you can either plan for an overnight camping trip or take a specialized dive boat excursion that can handle the long journey to these far-flung reefs.

The best time to visit the national park is winter through spring, when the sea is at its calmest and the waters are most transparent. However, its tropical location means you can visit it all year round, provided the weather and sea conditions permit the long boat journey.

These protected waters harbor the best-preserved coral reefs in Florida, lively marine communities that benefit from their remote location and protection status, historic shipwrecks that tell stories of maritime disasters, and many fish populations.

46. Salt Pier, Bonaire (US Territory)

Accessible directly from land, this legendary shore diving site has earned first-place recognition among diving destinations for its exceptional shore diving opportunities and incredible marine biodiversity.

The site is ideal for all skill levels with easy shore entry and a range of depths. It is popular for both beginners to learn to dive and acquire basic skills, as well as advanced photographers looking for opportunities.

The best diving season runs from November through April, when weather conditions are most reliable and ocean conditions are calmest. However, Bonaire's location below the hurricane belt makes it diveable year-round.

The pier's structure is home to many Caribbean marine species, including frogfish, seahorses, unusual nudibranchs, juvenile fish seeking shelter, and larger species that visit the pier's deeper areas, all accessible through easy shore diving.

47. U.S. Virgin Islands Coral World

This interactive marine park combines education with diving opportunities, providing divers with access to protected Caribbean marine environments while supporting conservation and research efforts.

The facility welcomes divers of all certification levels with programs designed for beginners through advanced divers. The park offers both recreational diving experiences and educational encounters with marine life.

Year-round tropical conditions in the U.S. Virgin Islands mean that you can enjoy this location all seasons. You can dive regardless of the weather conditions because of the facility’s protected environment.

You will see protected Caribbean species in their natural habitat. You can participate in educational programs that highlight marine conservation, coral restoration efforts, and the importance of preserving these tropical marine ecosystems.

48. Glacier Bay, Alaska

This remote Alaskan location offers adventurous cold-water divers access to amazing macro creatures and marine environments near the historic SS Princess Kathleen shipwreck in the Lynn Canal.

This advanced diving destination requires extensive cold-water experience, proper drysuit training, and preparation for some of the most challenging diving conditions in North America.

Summer months are the only practical diving season when temperatures are most tolerable and weather conditions allow access to these remote northern waters. However, expect extremely cold conditions year-round.

These spectacular Alaskan waters support unique macro creatures not found elsewhere, cold-water marine species adapted to extreme conditions, and aquatic environments that remain largely undisturbed due to their remote location and challenging access requirements.

49. Farallon Islands, California

These remote islands off San Francisco offer expert divers access to some of California's most challenging and rewarding marine encounters, including great white shark cage diving experiences.

As with other expert-level diving destinations, you must have extensive experience and proper certification. In this case, you must also be accompanied by specialized operators who understand the dangers and safety requirements of these exposed offshore locations.

The access periods are limited. They depend on calm weather conditions and seasonal patterns, with the best opportunities happening during specific weather windows when ocean conditions allow safe travel to these remote islands.

The islands' dramatic marine environment supports great white sharks that attract cage diving expeditions, seabird populations, marine mammals including seals and sea lions, and cold-water marine communities that thrive in these nutrient-rich waters.

50. Rainbow Reef, Florida Keys

This shallow coral garden is an ideal training ground for new divers as it offers spectacular underwater photography opportunities in a protected, easily accessible environment.

The site welcomes divers of all skill levels with gentle conditions, shallow depths, and abundant marine life that make it perfect for skill development, underwater photography practice, and peaceful reef exploration.

In the Florida Keys, it is possible to dive year-round. The reef's protected location offers reliable access and calm conditions throughout the year, making it ideal for training and leisurely diving.

This lively coral garden supports colorful tropical fish species that show little fear of divers. Healthy hard and soft coral formations provide excellent photography subjects, and the marine life showcases the richness of Florida Keys marine ecosystems in an easily accessible, protected environment.

US Best Dive Sites by Skill Level

Beginner Divers (Open-Water Certified)

The following places are perfect for new divers thanks to their shallow depths, calm conditions, and easy access:

• John Pennekamp Coral Reef State Park, Florida Keys - Depths 5-25 feet, protected waters
• Hanauma Bay, Oahu - Shallow protected bay, easy beach access
• Casino Point Dive Park, Catalina Island - Shore diving, beginner-friendly depths
• Blue Heron Bridge, Riviera Beach, Florida - Shallow depths, incredible macro life
• Rainbow Reef, Florida Keys - Shallow coral garden, perfect for training
• Black Rock, Maui - Easy beach entry, suitable depths for beginners
• Devils Den, Florida - Crystal clear freshwater, main chamber accessible to Open Water divers
• Dutch Springs, Pennsylvania - Quarry diving, controlled environment
• Lake Tahoe, California/Nevada - All levels welcome (with altitude considerations)
• Georgia Aquarium, Atlanta - Controlled environment, Open Water certified divers welcome

Intermediate Divers (Advanced Open Water or equivalent experience)

The sites below require more experience due to their deeper depths and moderate challenges:

• Molasses Reef, Key Largo, Florida. Depths 10-70 feet, some deeper areas
• Looe Key Reef, Florida Keys. Depths 5-30 feet, but lively marine life
• Sombrero Reef, Marathon, Florida. Depths 5-35 feet, moderate conditions
• Monterey Bay National Marine Sanctuary, California. Cold water, different conditions
• Point Lobos State Natural Reserve, California. Cold water, requires planning
• Channel Islands National Park, California. Offshore location, boat diving required
• Catalina Island, California. Various sites, some requiring boat access
• La Jolla Cove, San Diego, California. Shore diving, kelp forests
• Big Sur, California. Remote location, variable conditions
• Jade Cove, California. Remote access, kelp forest diving
• Metridium Fields, Monterey, California. Monterey Bay conditions
• Cathedrals I & II, Lanai. Swim-throughs, moderate depths
• Shark's Cove, Oahu. Cavern diving, North Shore conditions
• Ginnie Springs, Florida. Cavern diving (cave diving requires cave certification)
• Block Island, Rhode Island. Boat diving, Northeast conditions
• Cape Henlopen, Delaware. Artificial reefs, boat diving
• Dry Tortugas National Park, Florida. Remote location, requires planning
• U.S. Virgin Islands Coral World. Protected environment, educational programs

Advanced Divers (Advanced Open Water + significant experience)

These are challenging sites with deeper depths, strong currents, and technical requirements:

• USS Spiegel Grove, Key Largo, Florida. Depths 60-134 feet, wreck diving
• USCG Duane, Key Largo, Florida. Depths 70-120 feet, open water currents
• Vandenberg Wreck, Key West, Florida. Depths 70-100 feet, massive wreck
• Flower Garden Banks National Marine Sanctuary, Texas. Depths 55-130 feet, offshore location
• HMCS Yukon, San Diego, California. 100 feet depth, wreck penetration
• Blue Cavern Point, Catalina Island. 90 feet depth, cavern environment
• Puget Sound, Washington. Cold water, strong currents, limited visibility
• Strawberry Island, San Juan Islands, Washington. Strong currents up to 10 knots
• Manta Ray Night Dive, Kona, Big Island. Night diving, 35 feet depth
• YO-257, Oahu. 90 feet depth, wreck diving
• Stellwagen Bank National Marine Sanctuary, Massachusetts. Offshore, variable conditions
• Graveyard of the Atlantic, North Carolina. Multiple wreck sites, varying depths
• Bonne Terre Mine, Missouri. Guided dives, unique environment
• USS Oriskany, Pensacola, Florida. Massive carrier, advanced wreck diving
• Blackwater Diving, Florida Atlantic. Open ocean night diving
• Salt Pier, Bonaire. Shore diving but diverse conditions
• Glacier Bay, Alaska. Extreme cold water, remote location

Expert/Technical Divers (Technical diving certification required)

Finally, the sites below require specialized training and gear due to their extreme conditions:

• USS Monitor, North Carolina. 230 feet depth, technical diving required
• Thunder Bay National Marine Sanctuary, Michigan. Some wrecks over 180 feet, technical depths
• Farallon Islands, California. Extreme conditions, expert-level experience required
• Aquarius Reef Base, Florida Keys. Scientific diving credentials required
• Molokini Crater Back Wall, Maui. Wall diving to 360 feet (advanced divers for drift diving)

Dive Safely with Divers Supply

Whichever place you choose to dive, do so safely with diving equipment from Divers Supply. Our staff is always happy to help you pick the best gear for your needs. Order online or at a store near you — and don't forget to check our sale section and our new arrivals!