Thailand Dive Sites
Sail Rock
Thailand Dive Sites:
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Sail Rock is another of the better dive sites in the Gulf of Thailand and the closest good dive site to Koh Samui. It is located between Samui and Koh Phangnan and can also be reached by dive boat from Koh Tao. As Sail rock is alone in open sea it's a magnet to all the marine life in the area and as well as all the usual schools of fish seen here divers can also get lucky and catch sight of a passing whale shark or manta ray.
The rock is a large granite boulder that juts out of the sea and drops below the surface down to 30m. The dive site has two permanent moorings but as there are usually more than two dive boats at the site at the same time the boats moor up to each other. Visibility is better here than at most Gulf of Thailand dive sites. Currents can be strong at times but there are plenty of areas to find shelter as you circle the rock.
Away from the main rock are some smaller boulders that are home to reef sharks. Schools of trevally can be seen raiding baitfish balls. Schools of inquisitive longfin batfish are always present. Barracuda can also be seen in the blue. Gorgonian sea fans and barrel sponges mingle with encrusting corals on the rock walls. Look for boxer shrimps and hingebeak shrimps in crevices. Moray eels are numerous including undulated and white eyed morays. Triggerfish, bannerfish, butterfly fish and rabbitfish will also be spotted here.