Reef
down to 40 m
Koh Bon West Ridge
Similan Islands & Khao Lak, Thailand
A soft-coral ridge off Koh Bon's west side dropping to 35-40 m, called maybe the best place to find manta rays in the region.
- Advanced
- Manta rays
Explore dive sites
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1274 dive sites
Pinnacle
down to 18 m
Koh Kong
Koh Samui & Koh Phangan, Thailand
Boulder pinnacle off Haad Khom nicknamed 'little Sail Rock' by locals, with more sea fans than other Phangan sites thanks to tidal flow.
- Open Water
Wall
down to 25 m
Koversada (Lim Fjord entrance)
Istria, Croatia
Two steep walls at the mouth of the Lim Fjord, sheltered from waves and currents, with lobsters, conger eels, nudibranchs and a small sailboat wreck.
- Open Water
- Nudibranchs
Reef
down to 18 m
Krakatoa
Tofo, Mozambique
A shallow coral reef with plenty of reef and game fish, and one of the best chances of whale sharks on the ride out and back.
- Open Water
- Whale sharks
Wreck
down to 35 m
Kuda Giri Wreck
Maldives
A small cargo ship sunk upright beside a South Malé pinnacle, its hull home to glassfish, batfish, frogfish and moray eels.
- Advanced
- Turtles
Wreck
down to 34 m
Kyarra
Dorset (Portland & Swanage), United Kingdom
A 1903 passenger liner torpedoed by UB-57 in 1918, lying off Swanage from about 23 m to the seabed; one of Dorset's most popular wrecks.
- Advanced
Reef
down to 20 m
La Francesa Reef
Cozumel, Mexico
Colourful reef from about 11 m down to 20 m over bright white sand, noted as one of the best places to watch fish activity.
- Open Water
- Nurse sharks
Reef
down to 12 m
Laem Tong Home Reef (Phi Phi Don)
Phuket & Koh Lanta, Thailand
Calm 2-12 m house reef off the beach at Phi Phi Don's northern tip, with hard corals and clownfish.
- Open Water
- Clownfish
Wreck
down to 36 m
Landing Ship Tank (LST)
Subic Bay, Philippines
A 100 m landing ship upright at 30-36 m with a football pitch-sized vehicle deck and schools of large barracuda.
- Experienced
- Barracuda
Reef
down to 25 m
Lighthouse
Dahab, Egypt
Dahab's house reef in the heart of town: a sandy slope to about 25 m with an elephant statue at its deepest point.
- Open Water
- Turtles
Macro
down to 10 m
Lighthouse
Malapascua, Philippines
Favourite night dive to watch mandarinfish spawn, with bobtail squid and other critters after sunset.
- Open Water
- Blue-ringed octopus
Reef
down to 27 m
Lighthouse Reef
Utila, Honduras
Remote, rarely dived coral garden by Utila's eastern lighthouse, with elkhorn and staghorn stands and abundant turtles.
- Open Water
- Turtles
Wreck
down to 15 m
Lusong Gunboat
Coron, Philippines
A shallow Japanese gunboat off Lusong island, encrusted with coral and popular with snorkellers as well as divers.
- Open Water
Drift
down to 15 m
Lusong Reef
Coron, Philippines
Two-kilometre reef along Lusong Island with soft and hard corals and frequent sea turtle sightings; an easy dive with a gentle drift on the right tide.
- Open Water
- Turtles
Reef
down to 12 m
Mahukona
Kona (Big Island), United States
A shallow shelf (max 12 m) scattered with old mill equipment and boat parts from the SS Kauai, good for nudibranchs.
- Open Water
- Nudibranchs
Wall
down to 29 m
Maiuru
Fakarava & Rangiroa, French Polynesia
Beside Garuae Pass, a channelled reef flat at 20 m drops abruptly into a sharp drop-off.
- Experienced
Macro
down to 15 m
Mama Hanh Beach
Nha Trang, Vietnam
A shallow, gently sloping Hon Mun reef used for beginner training, where seahorses and pipefish are regularly spotted.
- Open Water
- Nudibranchs
Reef
down to 20 m
Mango Bay
Koh Tao, Thailand
Sandy-bottomed bay with a coral garden of mushroom, table and staghorn corals, a classic choice for try dives and Open Water courses.
- Open Water
- Turtles
Drift
down to 40 m
Mangrove
Bali & Nusa Penida, Indonesia
A drift over a gently sloping coral reef off Lembongan, known for giant pufferfish, barracuda and giant trevally.
- Advanced
- Whale sharks
down to 30 m
Manta Alley
Komodo, Indonesia
South Komodo site where 20–40 reef mantas gather in feeding trains in the December–March plankton season.
- Advanced
- Manta rays
Wall
down to 50 m
Manuelita Deep
Cocos Island, Costa Rica
Boulder slope off Manuelita islet where scalloped hammerheads queue at cleaning stations at 30-35 m, with an optional wall dropping to 50 m.
- Experienced
- Tiger sharks
Cave
down to 40 m
Marigondon Cave
Mactan (Cebu), Philippines
A large cave at 26 m on a gorgonian-covered wall, home to Flashlight Fish that glow in the darkness.
- Technical
- Flashlight fish
Muck
down to 15 m
Masaplod Norte
Dumaguete, Dauin & Apo Island, Philippines
At dusk mandarinfish perform their courtship dance above the sand, while hundreds of spotted garden eels wave from their burrows by day.
- Open Water
- Mandarinfish
Kelp forest
down to 10 m
Megstones
Farne Islands & St Abbs, United Kingdom
An easy 10 m Farnes dive off the north side of the Megstones, watched by tens of adolescent grey seals.
- Open Water
- Seals