Hin Muang (Purple Rock)
Hin Muang is situated near Hin Daeng. It is a submerged rock that is 200 meters long and about 20 meters wide that harbours a substantial amount of marine life, contrasting the relatively barren surroundings. As the name suggests, the rock gives off a range of purple colours. The walls collect red, white and orange sea fans and glass fish. Anemones can be seen around the rock.