The name of these islands comes from “sembilan” which means Nine in Bahasa language. Each of the islands has a number as well as a name. These are, from north to south: Koh Ba Ngu, Similan, Payu, Miang, Payan, Payang and Hu Yong. Hin Pousar, or ‘Elephant Head Rock’, is alternatively designated No. 6 by some people. Koh Bon, lying 17 nautical miles north of Ba Ngu, is part of the Similan National Park and a must see for travelers.
The Similan islands are among the 10 most fascinating dive destinations in the world. Characterized by fantastical granite boulders slabs, both above and below their crystal waters. This region is famous for its visibility, diversity and underwater topography. This island group is known for its expansive coral gardens, abundance of marine life, large schools of fish and frequent sightings of sea turtles, giant manta rays, whale sharks, harlequin shrimp, pipefish and seahorses.