Reef
down to 7 m
Chaweng Reef (Ao Chaweng)
Shallow shore-entry lagoon reef on Chaweng beach, Koh Samui, used for dive training and snorkelling (max 7 m).
- Open Water
Dive site in Koh Samui & Koh Phangan, Thailand
Sloping house reef right off Haad Yao beach on Koh Phangan's west coast, dived at night for bioluminescent plankton.
A reef dive from the shore.
Recommended minimum: Open Water (PADI Open Water, CMAS/FFESSM N1).
Best months: Mar–Apr, Jun–Aug.
Source: thainationalparks.comThe point shows the Koh Samui & Koh Phangan area, not the exact dive site.
Reef
down to 7 m
Shallow shore-entry lagoon reef on Chaweng beach, Koh Samui, used for dive training and snorkelling (max 7 m).
Reef
down to 14 m
Shallow west-coast bay once used as a hideout by Malay pirates, with a healthy coral reef reachable from the beach.
Cavern
down to 25 m
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
Low-current reef on the northern side of Ang Thong Marine Park, just southwest of Hin Yippon, rated suitable for all divers.
Drift
down to 33 m
Open-sea shoal about 4 nautical miles west-northwest of Sail Rock (Hin Bai), dived as a drift with visibility up to 30 m.
Macro
down to 9 m
Shallow boulder-and-sand reef a short walk from Chaloklum, used for training and beach night dives with octopus and squid.
About this page
Values marked “Estimated” come from our original catalogue and are being checked against published sources one by one. Sourced values link to where they come from. Conditions change with the season, the weather and the tide: confirm with a local dive centre before you dive.