Mu Ko Ang Thong National Park is an archipelago in the gulf of Thailand consisting of 42 separate islands, the principle islands being;Phaluai, Wua Ta Lap, Mae Ko, Sam Sao, Hin Dap, Nai Phut and Phai luak. All the islands occur in Ang Thong district, of Amphur Samui, Surat Thani province. The park covers a total area of 102 sq.km of which about only 18 sq.km is land. The National park does not encompass the entire island chain, its jurisdiction covers about 82% of the total area. The park was established on 12th November 1980.
The islands of the park are covered in forest of four types: Dry Evergreen Forest, Beach Forest, Limestone forest and Mangrove forest. The water of the gulf of Thailand is very rich and provides a valuable resource upon which a rich diversity of animals and plants are able to thrive. This richness is long established and thus the seas around Ang Thong are plentiful. Species commercially collected are Softcorals, Penshells, Sponges, Seaweeds and Barnacles, important fish species caught include; Mackerel, Anchovy and Squid.
(http://www.dnp.go.th/parkreserve/asp/style1/default.asp)