Koh Hong is a very outstanding island located in the northwest of Ao Nang. surrounded by Limestone Mountain, the bay in the morth of this island is so similar to a hall, and this is the reason why the island is called Koh Hong,Koh Hong has two major beaches in the front and the back of the island. The former is the main port, so it is not very good for swimming; whereas the latter is a nice for sunbathing diving and canoeing.