Mu Ko Surin National Park is situated in the Andaman sea approximately 60 km from the coast of Phang Nga Province in the southern peninsula region. The park covers an area of approximately 135 km. Of the protected area, 102 sq km or 76% is sea. The park comprises 5 main islands; Ko Surin Nua, Ko Surin Tai, Ko Ree (Ko Stok), Ko Pachumba, and Ko Kai (Ko Torinla). A few kilometers to the north of the park is the Myanmar border and about 100 km to the south are the Similan Islands.