Koh Tachai pinnacle dive site
Koh Tachai is one of the very best dive sites in Thailand, it is especially loved by experienced divers. The strong currents can make it a challenge at times but if you can handle that you’ll love Tachai.
Tachai is not suitable for beginner divers, you should be advanced certified to dive there. Actually there is an easy dive site at Koh Tachai, a reef running along the east coast. But when most people talk about Koh Tachai diving they mean Koh Tachai pinnacle, a submerged reef made up of rocky boulders.
Koh Tachai is not dived by day trip from Phuket, it’s too far to get to in a day. It’s located within the mu Koh Similan national park about 25 km north of Koh Bon. It’s a small island with an absolutely amazing beach (the beach is off limits to tourists to preserve it).
Dive Koh Tachai by liveaboard from Phuket or Khao Lak.
What can you see at Koh Tachai Pinnacle?
You can see big stuff. Manta rays and whale sharks love the currents. Manta rays are more common than whale sharks but in recent years it’s as common to see whale sharks at Tachai as it is at Richelieu Rock.
Also at ease in the current are chevron barracuda and tiera batfish. The batfish seem to like to hang out with divers around the mooring line during the end of dive safety stop.
In deeper sections around the boulders you can see reef sharks and possibly leopard sharks.
If the sharks and mantas don’t show up there is plenty more to see among the hard corals and sea fans. All the usuall stuff is there like moray eels, lionfish, scorpionfish, parrotfish, tangs, snapper, fusilier and so on. More difficult finds are leaf fish and frogfish, ribbon eels and pipefish.
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