Thailand and Burma Divesite Descriptions
This page gives a brief description of some of the dive sites that you are likely to visit. 'Koh' means 'island' in Thai, so most of the divesites are named Koh ...
Koh Similian is a Marine National Park and located 90 km (52 NM - nautical miles) NW of Patong Beach. (For the technical freaks amongst you - the coordinates are on the Northern end
08º40'39" N and 97º39'15" E and 08º28'20" N and 97º39'40" E on the Southern end.
Perhaps the most famous of the dive sites in this area. This park is a spectacular seven mile long rocky archipelago, comprising of nine granite islands set in the Andaman Ocean.
The resulting abundant collection of high-viz, multi level dive sites are located near movie-location gorgeous islands with tropical rainforest, sandy beaches, and protected bays. Exploration of the undeveloped islands is possible except for the vacation home to some of the Thai Royals!
While diving, you are likely to discover an abundance of hard and soft corals, diverse marine life: large pelagic, including occasional whale sharks, mantas or eagle rays. On the protected eastern sides of the islands you'll find gentle sloping reefs, anemones, hard and soft coral, and plenty of marine life.
On the western reefs you'll find giant boulder formations going to below forty meters, including many tunnels, archways, caverns, and swim throughs. Upwelling thermoclines from deep in the Indian Ocean can sometimes make this a chilly dive for us warm-water softies. Some of the sites have occasional moderate currents making for challenging diving. Here's a summary of the fantastic dive sites of the
Koh Surin, Marine National Park
48 NM due West of Ranong Province on the West coast of Thailand. Comprises five granite islands, covered with evergreen forest. The dive sites are located on a fringing reef, and submerged pinnacles.
| Name of Divesite | Max Depth | Current | Max Viz |
Rating | Description |
| Richelieu Rock |
![]() 40m |
![]() medium - strong |
![]() -30m |
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Thailand's number one location for sighting whale sharks and one of the best divesites in this area. Wall dive around main outcrop surrounded by smaller pinnacles. Rich marine life, schools of big barracudas. |
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| Koh Tachai |
![]() 40m |
![]() medium - strong |
![]() -30m |
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Big plateau, surrounded by big boulders covered with corals. On the plateau there is a miniaturised hardcoral garden with a generous amount of reef fish worth seeing. Schools of barracudas and mantas are seen here frequently. |
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| Koh Bon |
![]() 40m |
![]() medium - strong |
![]() -30m |
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Great wall on the south side, dropping down to about 30 m. Covered mainly with hardcoral. Oriental sweetlips, big emperors, all sorts of groupers and cods. Going west, following the rockformation down to 35 m you find some more whip corals and other softcorals. In this area big mantas are commonly seen. |
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| Koh Bon Pinnacle | ![]() 35m |
![]() medium - strong |
![]() -25m |
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A submerged pinnacle starting at 18 m , reef sharks commonly seen. |
Bonsoong Wreck / Tinminer Northwest of Khao Lak
About 13 NM of Tap Lamu the Bonsoong wreck lies on sandy flat bottom in a maximum depth of 20 meter. This tinminer platform sank about 10 years ago. A fairly easy divesite where also beginners can go. The wreck serves as an artificial reef for big schools of fish. The site is famous for big and curious lionfish and all kind of moray eels.
Burma divesites
As many trips are combined Thailand and Burma safaris, we will include some divesite description of Burma here as well.
Please be aware that this is a very wide area and not all boats are going to all the divesites. Also the names for the divesites can be different. A map to these divesites is on progress now ...
| Name of Divesite | Max Depth | Current | Max Viz |
Rating | Description |
| High Rock | ![]() 30m |
![]() medium - strong |
![]() -20m |
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Spectacular single rock with a tree on the top. Mostly soft corals, sandy bottom. Schooling fish, lot of small stuff, nudibranches, seahorses. "Macro"-place. Normally poor visibility. |
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| Shark Cave | ![]() 25m |
![]() medium - strong |
![]() -30m |
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Two small and a big rock, on 18 m a cave which goes through the whole rock, about 4 m/12 ft high and 1,5 m/5 ft wide. Grey reef sharks, rays, whip corals, anemones, crabs, shrimps, lobster. |
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| Clara Pinnacle | ![]() 30m |
![]() medium - strong |
![]() -30m |
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Underwater plateau with soft corals and fan corals. White and black tip sharks, gray reef sharks. |
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| North Twin Pinnacle | ![]() 40m |
![]() medium - strong |
![]() -25m |
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Submerged reef, east side steep slope down to 65 m, west side shallow, soft and fan corals. Zebra sharks, blue spotted sting rays, bull sharks have been sighted, sometimes strong currents. |
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| North Twin Plateau | ![]() 40m |
![]() medium - strong |
![]() -25m |
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Submerged reef, south west of the main island, boulders, all kind of hard and soft corals, gray reef sharks, white and black tip sharks and often mantas. |
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| Burma Banks | ![]() 40m |
![]() medium - strong |
![]() -25m |
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Big submerged plateau, more than one sqkm, rising up from 300 to a top level of 18 meters. The main attraction there are the silver tip sharks. |
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| Black Rock | ![]() 40m |
![]() medium - strong |
![]() -25m |
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Single rock in the middle of nowhere, south west side steep slope, north east side shallow. Rocky landscape, corals, gray reef sharks, chances for mantas, lot of stingrays on the sandy bottom. |
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| Leo Point | ![]() 40m |
![]() medium - strong |
![]() -25m |
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Beautiful reef, lot of big stuff, mackerels, tuna, wahoos, zebra sharks, white tip sharks. |
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| Western Rocky |
![]() 35m |
![]() medium - strong |
![]() -25m |
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One of the most beautiful divesites in Burma. It consists of two parts, the main island and the pinnacles with the coral garden. Thriving, intact marine life. Encounters with sharks of all kinds. |
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| Northern Rocky | ![]() 35m |
![]() medium - strong |
![]() -25m |
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When i dived there the last time it was an uneventful place. Quite possiblel that it improved in the last years. |
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| Little Torres |
![]() 25m |
![]() medium - strong |
![]() -25m |
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Small island, beautiful boulders, nurse sharks, bull sharks! Lots of fishes! |
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| Double Rock | ![]() 25m |
![]() medium - strong |
![]() -25m |
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Small rocky island with two big boulders, mostly hard corals. Black spotted sting rays, devil rays, nurse sharks, white tip sharks. |
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| South Twin |
![]() 18m |
![]() mild - moderate |
![]() -25m |
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Beautiful bay, lot of under water rocks, hard corals, small stuff, good place for night dive. |
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| Tower Rock | ![]() 40m |
![]() medium - strong |
![]() -25m |
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About 100 m high rock - therefore the name Tower Rock! Wall dive down to 35 m, hard corals, a lot of small caves with lobsters, crabs, shrimps. Devil rays. Current. |
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| Devils in the Sky | ![]() 25m |
![]() medium - strong |
![]() -25m |
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Big boulders with relatively small corals, most of the time strong currents. All kind of big schooling fish like mackarels, tuna, barracudas, all kind of reef sharks, bull sharks. Big schools of devil rays! |
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| Lion Rock | ![]() 25m |
![]() medium - strong |
![]() -25m |
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Big fan corals, white tip sharks. |
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| Swinton Bay North | ![]() 15m |
![]() mild - moderate |
![]() -25m |
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Sandy bay, blue and black spotted sting rays, hard and soft corals Ideal place for night dives. |
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| Swinton Bay Southeast | ![]() 15m |
![]() medium - strong |
![]() -25m |
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Sandy bottom, soft and hard corals, good night dives. |
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| McCarthy Island | ![]() 25m |
![]() medium - strong |
![]() -25m |
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Small rocky island, wall dive on the south side - all kind of reef fish. |
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| Cavern | ![]() 25m |
![]() medium - strong |
![]() -25m |
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Rocky bottom covered with hardcorals. Nothing spectacular, lots of shellfish, good for night dives. |
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| Steward Island | ![]() 25m |
![]() medium - strong |
![]() -25m |
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Island with a lot of caves. Rocky bottom with soft corals, barracudas, rays . |







