Mu Ko Ang Thong National Park Thailand Mu Ko Ang Thong National Park Ko Angthong Mu Ko Ang Thong is a marine national park in the Gulf of Thailand, at the shore of the Surat Thani Province. It covers 42 islands in a total area of 102 km, of which only 18 km are land. The park was established 12, 1980. The name Ang Thong means bowl of gold, while Mu Ko simply means group of islands. Since