Cavern
down to 25 m
Hin Yippon (Koh Yippon)
Koh Samui & Koh Phangan, Thailand
Rocky islet at the north tip of Ang Thong Marine Park with an open cave crossing the island, soft-coral gardens and whale shark sightings.
- Advanced
- Whale sharks
Filter by the certification you hold and what you want to see. Every result shows the level we recommend.
85 dive sites
Cavern
down to 25 m
Koh Samui & Koh Phangan, Thailand
Rocky islet at the north tip of Ang Thong Marine Park with an open cave crossing the island, soft-coral gardens and whale shark sightings.
Cave
down to 20 m
Koh Samui & Koh Phangan, Thailand
Low-current reef on the northern side of Ang Thong Marine Park, just southwest of Hin Yippon, rated suitable for all divers.
Cavern
down to 35 m
Nha Trang, Vietnam
Two rock peaks breaking the surface, with swim-throughs and caves filled with glassfish and hiding many small critters.
Cavern
down to 27 m
Bohol & Panglao, Philippines
Panglao wall with a cave teeming with cardinalfish and home to white-eyed moray eels; most interesting between 10 and 15 m.
Cavern
down to 18 m
Florida Springs, United States
An open-water basin to 40 ft, a wide-entrance upper cavern and an air bell with viewing windows, plus Virgil the resident turtle.
Blue hole
down to 32 m
Romblon, Philippines
Descend an 8 m-wide vertical chimney from 5 m to about 30 m, where cracks shelter hundreds of Durban dancing shrimp and lobsters.
Cavern
down to 45 m
Bohol & Panglao, Philippines
A fissured wall where you can enter a chamber lit by shafts of light from above.
Cavern
down to 37 m
Moalboal, Philippines
An underwater cavern on Pescador Island that opens at the top, letting sun rays penetrate the depths.
Cavern
down to 23 m
Maui, United States
Swim into a two-story lava-tube cavern off Lanai where sunbeams spotlight 'the Altar', then exit through the surge-timed 'shotgun' tube.
Cavern
down to 15 m
Florida Springs, United States
Pull up to the Ballroom's welded grate at 50 ft and feel the force of 35 million gallons of spring water a day.
Cavern
down to 39 m
Roatán & Bay Islands, Honduras
Descend a sloping tunnel through the reef and exit onto the wall at 33 m, then ascend through canyons and swim-throughs.
Cavern
down to 35 m
Phuket & Koh Lanta, Thailand
At Koh Haa Yai a cave entrance at 14 m opens all the way up to the surface; at Koh Haa Chimney a tunnel leads into a chamber full of cave sweepers.
Cavern
down to 85 m
Wakatobi, Indonesia
Start in a ravine of stacked caverns and overhangs, then drift along a fringing reef of wire corals, whip corals and colourful tube sponges.
Cave
down to 135 m
Plura Cave (Pluragrotta), Norway
Northern Europe's deepest cave: about 3 km of passages and the most-dived cave in Scandinavia, with visibility up to 20 m.
Cave
down to 18 m
Aliwal Shoal & Protea Banks, South Africa
Aliwal's most popular site: kneel at the cave entrance to watch ragged-tooth sharks in season, then hunt for shed shark teeth in the sand.
Cavern
down to 30 m
El Nido, Philippines
Remote site at the edge of Bacuit Bay with boulders, swim-throughs and small caverns to 30 m, plus turtles and barracuda.
Cenote
down to 13 m
Riviera Maya & Cenotes, Mexico
A cavern area with visibility of 45 m or more, ceilings full of stalactites and a halocline where fresh and salt water mix.
Cenote
down to 10 m
Riviera Maya & Cenotes, Mexico
Two cavern guidelines, upstream and downstream, past delicate stalactite and stalagmite formations and fossils.
Cavern
down to 25 m
Abrolhos Marine Park, Brazil
The best-known chapeirão of Abrolhos: a 35 m coral tower with an interior room you can dive, among endemic Bahia brain coral.
Cavern
down to 12 m
Cayman Islands
A George Town shore dive through sunlit caves and tunnels where, in summer, tarpon hunt huge schools of silversides.
Cavern
down to 32 m
Puerto Galera, Philippines
Two small caverns at about 21 and 27 m, with sea fans, groupers and glassfish.
Cave
down to 40 m
Mactan (Cebu), Philippines
A large cave at 26 m on a gorgonian-covered wall, home to Flashlight Fish that glow in the darkness.
Cavern
down to 6 m
Tobermory (Fathom Five), Canada
A 6 m swim-through along white boulders that opens into a sheltered grotto in the Bruce Peninsula shoreline.
Cavern
down to 35 m
Dumaguete, Dauin & Apo Island, Philippines
An Apo Island wall riddled with overhangs and small caverns, home to black and white snappers, barracuda, dogtooth tuna and leaf fish.