Scuba diving in Koh Tachai
Koh Tachai is an island with several good dive sites, the most famous being Koh Tachai Plateau. Koh Tachai Island is situated 40km/25mi south of Koh Surin Tai. It is one of the best sites for Thailand scuba liveaboards. It has a series of submerged pinnacles and boulders, which form excellent swim through. The average depth is 20m/66ft and the maximum depth is 36m/118ft. Diving is best suitable for experienced divers.
When to go
Diving season is from November to April. In the months of March and April the visibility can drop to around 20-30m/66-98ft due to a higher density of plankton in the water. The water temperature is usually around 30C/86F at the surface and 27-28C/81-82F deeper down, but occasionally it can drop down to 25C/77F. March is the warmest month of the year with the average daytime temperature of around 34C/93F and January is the coolest month with the average temperature dropping down to as low as 22C/72F.
What to see
The area also features numerous canyons and overhangs covered with large sea fans. The marine life is abundant and includes blue-dash, cube boxfish, giant batfish, trumpetfish, giant pufferfish, oceanic triggerfish, yellow-backed fusiliers, red-tooth triggerfish, big eye trevally, unicornfish, manta rays, whale sharks, leopard sharks, huge schools of swirling chevron barracuda and large numbers of tuna.
Liveaboards with trips to Koh Tachai
Liveaboard Special Offers
Dive center`s Special Offers
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Khao Lak Big Blue Diving Khao Lak
3 Day Trips Package
Choose 6 dives at the Similans, Koh Bon, Koh Tachai and Richelieu Rock. This product is only for certified divers Monday: Koh Tachai and Koh Bon Tuesday: Richelieu Rock Wednesday: Similan Islands Thursday: Richelieu Rock Friday: Koh Bon Saturday: Richelieu Rock Sunday: Similan Islands -
Khao Lak Big Blue Diving Khao Lak
4 Day Trips Package
Choose 6 dives at the Similans, Koh Bon, Koh Tachai and Richelieu Rock. This product is only for certified divers Monday: Koh Tachai and Koh Bon Tuesday: Richelieu Rock Wednesday: Similan Islands Thursday: Richelieu Rock Friday: Koh Bon Saturday: Richelieu Rock Sunday: Similan Islands -
Khao Lak Sea Bees Diving Khao Lak - Palm Garden
Ruby Tuesday - Boat Trip to Ko Tachai / Ko Bon / Premchai Wreck
This product is for certified divers only. A one day adventure to Ko Tachai, Ko Bon (2 islands of the Similan Islands National Marine Park ) and Premchai Wreck with MC Stingray, Khao Lak’s state of the art high speed Catamaran