Listed as one of the ten best dive sites on the earth, the Similan Islands are the best diving Thailand has to offer. The most important of all dive sites in the Similans is Richelieu Rock, famous for its incomparable variety and abundance of marine life. Whale shark sightings are common here. The Similans have the greatest diversity of marine life in Thailand.
Hin Muang and Hin Daeng are two rock formations located about 80 km south east of Phuket and rated as one of the best dive spots in Thailand. A truly world-class dive site, the rocks’ vertical walls drop straight down 50-60 metres.