Diving boat trip from Phuket (12 Miles): 1 hour and 30 minutes navigation by a powered day dive boat.
Visibility: 5-20 meters. Depth: 3-30 meters.
The East Side of Koh Doc Mai island offers a wall rich in invertebrates and a good representation of tube corals. There are large moray eels, Black-banded Sea Snakes, Honeycomb Groupers and angelfish, and you have a good chance of seeing Leopard Sharks out on the sand. The western side of the island features a steeply sloping reef. Both Blacktip and Whitetip Reef Sharks have been seen here as well as visiting pelagic are often on view.