Similan Island

Similan is the largest island. There are a total of 9 islands. The sea in the area has an average depth of 60 feet. Underwater it is full of rock formations and coral reefs in several shapes and forms, resembling such things as deer, leaves, brains, and mushrooms.

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The area is a protected national park and the Similan Islands are famous for its crystal clear water and diverse marine life. It famous with both domestic and foreign tourists and also a place for angling and scuba diving. The area is a protected national park and though camping is allowed on the islands, most divers opt for one of the many liveaboards that frequent the Similan Islands during the dive season.
In the water lies a diverse landscape of deep canyons, giant boulders, coral gardens, caves and walls. The Rock formations in the area are trully beautiful and the are attract visitors like whale sharks, mantas and leopard sharks. A vast array of reef fish await, the giant morays may surprise you and the schools of bumphead will impress, but you may also find the small marine life like ghost pipefish and fire gobies to your liking. A dive destination to be visited at least once by all divers.

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Best Time To Dive

The best period for Similan would be during October to May, although diving is still available all year round. Visibility is best during those eight months but overall it remains at least 15m most of the time, which is still pretty good!

Dive Sites

The Similan national park is famous for its dive sites. It has typically two different kinds of diving. East side diving consists of gently sloping coral reefs with sandy patches and the occasional boulder in between. The west side is known for its huge underwater granite boulders with numerous swimthroughs. Maybe the most famous east side dive site is East of Eden, off Island number 7. Elephant Head Rock is arguably the most famous west side dive site with a maze of swimthroughs and the reputation for spin-cycle like currents running in every direction.
Other popular dive sites include North Point, Deep Six, Boulder City and the awesome pinnacles off Koh Bon and Koh Tachai.
The most important of all dive sites in the Similans, which is actually part of Surin National Park, is Richelieu Rock, famous for its incomparable variety and abundance of marine life. Whale shark sightings are not uncommon here.

Similan Dive Site