Richelieu Rock
Similan Islands & Khao Lak, Thailand
Schools of chevron barracuda overhead while tigertail seahorses, harlequin shrimps and ghost pipefish hide in fields of soft coral.
- Advanced
- Wall
- Whale sharks
Diving in Thailand
4 destinations and 64 documented dive sites. The strip under each destination shows its season, month by month.
Where to dive in Thailand
Similan Islands & Khao Lak
Thailand
Best Feb–Apr
6 Open Water, 13 Advanced, 1 Experienced+
Koh Tao
Thailand
Best Mar–May, Sep–Oct
10 Open Water, 6 Advanced
Phuket & Koh Lanta
Thailand
Best Nov–Apr
9 Open Water, 3 Advanced, 4 Experienced+
Koh Samui & Koh Phangan
Thailand
Best Mar–Apr, Jun–Aug
10 Open Water, 2 Advanced
Dive sites to know
Chumphon Pinnacle
Koh Tao, Thailand
Granite pinnacle 12 km northwest of Koh Tao, the site where Black Turtle Dive logs its most whale shark sightings, amid huge schools of trevally and snapper.
- Advanced
- Pinnacle
- Whale sharks
Hin Daeng
Phuket & Koh Lanta, Thailand
One of Thailand's top sites for whale sharks and manta rays, with a wall at the south end dropping to about 70 m.
- Experienced
- Wall
- Whale sharks
King Cruiser Wreck
Phuket & Koh Lanta, Thailand
An 85 m passenger ferry that sank upright in 30 m after hitting Anemone Reef in 1997, now circled by schools of trevally and barracuda.
- Experienced
- Wreck
- Barracuda
Koh Bida Nok
Phuket & Koh Lanta, Thailand
- Open Water
- Reef
- Blacktip reef sharks
Reef
down to 7 m
Chaweng Reef (Ao Chaweng)
Koh Samui & Koh Phangan, Thailand
Shallow shore-entry lagoon reef on Chaweng beach, Koh Samui, used for dive training and snorkelling (max 7 m).
- Open Water
All dive sites in Thailand
Similan Islands & Khao Lak, Thailand
- Richelieu RockAdvanced35 m
- Koh Tachai PinnacleAdvanced40 m
- Turtle RockOpen Water30 m
- Anita's ReefOpen Water40 m
- Breakfast BendAdvanced30 m
- Christmas PointAdvanced35 m
- Elephant Head RockExperienced40 m
- Honeymoon BayAdvanced26 m
- Koh Bon West RidgeAdvanced40 m
- Premchai WreckAdvanced22 m
- West of EdenAdvanced35 m
- HideawayOpen Water35 m
- Boulder CityAdvanced35 m
- Khao Na YakOpen Water12 m
- Waterfall BayOpen Water40 m
- Boonsung WreckAdvanced20 m
- Deep SixAdvanced40 m
- North Point SimilanAdvanced35 m
- Seachart WreckAdvanced35 m
- T13 Underwater MuseumOpen Water20 m
Koh Tao, Thailand
- Chumphon PinnacleAdvanced40 m
- Green RockAdvanced32 m
- Mango BayOpen Water20 m
- Sail RockAdvanced40 m
- Southwest PinnacleAdvanced30 m
- White RockOpen Water22 m
- Aow LeukOpen Water16 m
- HTMS SattakutAdvanced30 m
- Japanese GardensOpen Water18 m
- Shark IslandAdvanced28 m
- TwinsOpen Water20 m
- Junkyard ReefOpen Water12 m
- Lighthouse BayOpen Water14 m
- Hin Wong BayOpen Water20 m
- Pottery PinnacleOpen Water14 m
- Tanote BayOpen Water18 m
Phuket & Koh Lanta, Thailand
- Hin DaengExperienced70 m
- King Cruiser WreckExperienced33 m
- Koh Bida NokOpen Water30 m
- Kata Reef (Kata Beach)Open Water40 m
- Koh HaaAdvanced35 m
- Anemone ReefExperienced30 m
- Bays 1 and 2 (Racha Yai)Open Water40 m
- Bungalow Bay (Racha Yai)Open Water40 m
- Hin MuangAdvanced70 m
- Laem Tong Home Reef (Phi Phi Don)Open Water12 m
- Hin Klang (Phi Phi)Open Water15 m
- Maya Wall (Maya Corner)Advanced20 m
- Shark PointExperienced30 m
- Banana Bay (Racha Noi)Open Water40 m
- Palong Wall (Phi Phi Leh)Open Water18 m
- Viking Cave Reef (Phi Phi Leh)Open Water18 m
Koh Samui & Koh Phangan, Thailand
- Chaweng Reef (Ao Chaweng)Open Water7 m
- Haad SaladOpen Water14 m
- Haad Yao House ReefOpen Water20 m
- Hin Yippon (Koh Yippon)Advanced25 m
- Koh WaoOpen Water20 m
- Samran PinnacleAdvanced33 m
- Chaloklum West LighthouseOpen Water9 m
- Koh KongOpen Water18 m
- Koh MaOpen Water24 m
- Koh Tae NaiOpen Water18 m
- Koh Tae NokOpen Water20 m
- Mae HaadOpen Water22 m
Photo credits
- Granite boulders and clear water, Similan Islands, KOSIN SUKHUM, CC BY-SA 4.0, via Wikimedia Commons
- Mango Bay, Koh Tao, ScorpioZZ, CC BY 3.0, via Wikimedia Commons
- Limestone cliffs and turquoise water at Koh Phi Phi, Luxure, CC BY 3.0 au, via Wikimedia Commons
- Richelieu Rock dive site, Similan / Surin, Mr.CMBurns, CC BY-SA 4.0, via Wikimedia Commons
- Pink anemonefish at Chumphon Pinnacle, Koh Tao, yeowatzup, CC BY 2.0, via Wikimedia Commons
- Spotfin lionfish at Hin Daeng, (c) portioid, some rights reserved (CC BY-SA), CC BY-SA 4.0, via Wikimedia Commons
- Coral-covered structure of the King Cruiser wreck, Ralf Schmidt, CC BY-SA 3.0, via Wikimedia Commons
- Koh Bida Nai and Koh Bida Nok islets, Christophe95, CC BY-SA 4.0, via Wikimedia Commons
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