39 cave sites23 countries

Cave dive sites worldwide

Browse by country to find cave dives for your experience level.

Other types

reef497 wall124 wreck92 pinnacle42 cave39 open water39 channel34 muck13 seamount12 cavern9 drift7 cenote5 blue hole2

Australia

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Christmas Island - Thundercliff Cave

Flying Fish Cove · Indian Ocean Territories · Australia

A cathedral-sized sea cave on Australia's most remote island, where ethereal blue light filters through the entrance and whale sharks cruise the outer reef each winter.

Bahamas

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Thunderball Grotto

Staniel Cay · Exuma Cays · Bahamas

A stunning underwater cave made famous by James Bond films, where shafts of sunlight illuminate swirling schools of tropical fish.

Dean's Blue Hole

Clarence Town · Long Island · Bahamas

The world's deepest known saltwater blue hole at 202 metres, set in a turquoise bay surrounded by cliffs.

Belize

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Great Blue Hole

Belize City · Lighthouse Reef Atoll · Belize

A massive marine sinkhole plunging 124 meters deep, adorned with ancient stalactites and patrolled by Caribbean reef sharks.

Brazil

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Gruta Azul (Blue Grotto)

Arraial do Cabo · Arraial do Cabo · Brazil

A stunning underwater grotto illuminated by brilliant blue light, nestled within Brazil's diving capital at Arraial do Cabo.

Chile

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Motu Nui Cave

Hanga Roa · Rapa Nui (Easter Island) · Chile

An underwater cave system near the sacred islet of Motu Nui off Easter Island's southwestern coast, where volcanic lava tubes create dramatic swim-throughs in water with over 60 metres visibility.

Croatia

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Blue Cave (Bisevo Island)

Komiza · Central Dalmatia · Croatia

A legendary sea cave on Bisevo Island where sunlight refracts through an underwater entrance, illuminating everything in ethereal blue.

Curacao

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Blue Room Cave

Willemstad · Banda Abou · Curacao

A stunning sea cave on Curacao's northwest coast where sunlight enters through a submerged opening and refracts into an electric blue glow, creating one of the Caribbean's most photogenic underwater experiences in a compact, accessible cavern.

Cyprus

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Cape Greco

Ayia Napa · Famagusta District · Cyprus

Crystal-clear sea caves and dramatic underwater canyons on Cyprus's southeastern tip, with visibility reaching 40 metres.

Egypt

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St. John's Caves

Marsa Alam · Fury Shoal · Egypt

A mesmerizing reef system in the deep south of the Egyptian Red Sea featuring a labyrinth of swim-throughs, caverns, and light-filled chambers carved into massive coral formations.

Faroe Islands

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Vestmanna Sea Caves

Vestmanna · Streymoy · Faroe Islands

Dramatic basalt sea caves beneath the towering Vestmanna bird cliffs, where Atlantic surges push through cathedral-sized caverns and cold North Atlantic water supports dense kelp forests and nesting seabird colonies.

Greece

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Saronida Cave

Athens · Attica · Greece

A hidden underwater cavern on the Athens Riviera offering atmospheric cave diving just 40 minutes from the Greek capital.

Elephant Cave (Spilia Elefantas)

Chania · Chania, Crete · Greece

A stunning sea cave on Crete's Akrotiri Peninsula containing real fossilised elephant bones from the Ice Age, accessible only by diving through a submerged entrance.

Milos Island Kleftiko

Adamas · Cyclades · Greece

Dramatic volcanic sea caves and white rock formations on Milos Island's southwestern coast, where pirates once hid among towering pumice cliffs now accessible to divers exploring tunnels, arches, and crystal-clear Aegean water.

Hungary

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Molnar Janos Cave

Budapest · Budapest · Hungary

A thermal cave system beneath Budapest fed by natural hot springs, featuring crystal-clear warm water, vast underwater chambers, and stunning mineral formations accessible only to certified cave divers.

Italy

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Nereo Cave

Alghero · Sardinia · Italy

The largest underwater sea cave in the Mediterranean, hidden beneath Capo Caccia with 300 metres of tunnels adorned in red coral and golden star corals.

Japan

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Kerama Blue Cave

Zamami · Okinawa · Japan

Spectacular sea cave with 'Kerama Blue' crystal-clear water, sea turtle encounters, and one of Japan's best shallow diving experiences.

Miyako Blue Cave

Miyako-jima · Okinawa · Japan

A stunning limestone cave system on Miyako Island where shafts of blue light penetrate through openings in the reef ceiling, creating ethereal illumination effects in clear subtropical water surrounded by healthy coral reef.

Okinawa Blue Cave Cape Maeda

Naha · Okinawa Prefecture · Japan

A sea cave on Okinawa's western coast where sunlight refracting through the underwater entrance creates an ethereal blue glow inside the cavern, accessible to snorkellers and divers alike and home to colourful tropical reef fish and marine crustaceans.

Lebanon

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Raouche Sea Caves

Beirut · Beirut Coast · Lebanon

Dramatic sea caves and grottoes beneath Beirut's iconic Pigeon Rocks, where Mediterranean marine life thrives in volcanic caverns and divers explore an underwater landscape hidden beneath one of the Middle East's most famous coastlines.

Malaysia

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Turtle Tomb

Semporna · Sabah · Malaysia

A haunting underwater cave system beneath Sipadan Island containing the skeletal remains of sea turtles that lost their way.

Malta

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Comino Caves

Mgarr (Gozo) · Comino · Malta

A network of sea caves and tunnels on the tiny island of Comino between Malta and Gozo, where Mediterranean light creates extraordinary blue illumination effects in caverns accessible to recreational divers.

Blue Hole (Gozo)

Dwejra · Gozo · Malta

Natural limestone arch and chimney formation. Shore-entry cave dive with spectacular light effects.

Inland Sea & Dwejra

San Lawrenz, Gozo · Gozo · Malta

A mystical inland lagoon connected to the open sea by a dramatic 80-metre tunnel through the cliff, leading to spectacular wall dives and cave systems.

Mexico

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Cenote Angelita

Tulum · Quintana Roo · Mexico

Deep cenote famous for its surreal 'underwater river' — a thick hydrogen sulfide layer at 30m resembling a flowing river beneath the water.

Cenote Dos Ojos

Tulum · Quintana Roo · Mexico

Twin-eye cenote connected by underwater passages. Crystal-clear freshwater with light beams and stalactites.

Cenote El Pit

Tulum · Quintana Roo · Mexico

The deepest cenote in the Riviera Maya with an eerie hydrogen sulfide cloud at 30m creating an otherworldly diving experience.

Cenote Tajma Ha

Playa del Carmen · Quintana Roo · Mexico

Enchanting cavern cenote with extraordinary light effects — sunbeams streaming through openings create a cathedral-like atmosphere.

Gran Cenote

Tulum · Quintana Roo · Mexico

Crystal-clear cavern with stunning light beams, stalactites, and freshwater turtles. Tulum's most popular cenote.

Morocco

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Ceuta Underwater Caves

Ceuta · Strait of Gibraltar · Morocco

A system of dramatic underwater caves and caverns beneath the Spanish-Moroccan enclave of Ceuta, where Atlantic and Mediterranean waters collide to create unique marine habitats in volcanic rock formations.

Palau

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Chandelier Cave

Koror · Koror, Rock Islands · Palau

A spectacular limestone cave system in Palau's Rock Islands with five interconnected chambers, each containing an air-filled dome adorned with ancient stalactites resembling crystal chandeliers.

Philippines

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Camotes Islands

San Francisco · Cebu · Philippines

A cluster of islands between Cebu and Leyte with underwater cave systems, freshwater cenote-like sinkholes, and virgin reef walls that remain largely unexplored by the diving community despite stunning above-water scenery.

Enchanted River

Hinatuan · Mindanao · Philippines

A mysterious deep-blue spring-fed river mouth in Mindanao where crystalline salt-fresh water emerges from underwater cave systems, creating surreal visibility and eerie blue light in a jungle setting.

Barracuda Lake

Coron · Palawan · Philippines

Enclosed volcanic lake with thermoclines. Crystal-clear freshwater to hot saltwater layers. Otherworldly landscape.

Coron Twin Lagoons

Coron Town · Palawan · Philippines

Two connected limestone lagoons on Coron Island where divers pass through a narrow underwater passage between towering karst walls, experiencing dramatic thermoclines and haloclines in crystal-clear water of shifting blues and greens.

Gato Island

Malapascua · Visayas · Philippines

Tiny rocky island with a dramatic swim-through cave tunnel and colonies of banded sea kraits in a marine sanctuary.

Thailand

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Emerald Cave (Tham Morakot)

Trang · Trang · Thailand

A 80-metre sea cave on Koh Mook that opens into a hidden lagoon of emerald water surrounded by sheer limestone walls, offering a unique swim-through dive combining total darkness with a spectacular cavern emergence into tropical light.

Tonga

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Hunga Ha'apai Underwater Cave

Pangai · Ha'apai Group · Tonga

A volcanic island cave system in Tonga's Ha'apai Group where lava tubes open into hidden chambers with crystal-clear water, air domes, and dramatic light shafts filtering through the jungle canopy above.