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 km², of which only 18 km² are land.

A one-day tour package to Mu Ko Ang Thong is organized by some travel agents in Khanom, ask your hotel.

Things you can do at Angthong Marine National Park

- snorkeling - kayaking through and near the caves - cliff jumping - see the Blue Lagoon - climb to a spectacular vantage point, bring sensible shoes (note that climbing is not easy, it's rocky and takes about one hour to climb the 400 meter, but it is worth it) - you might spot monkeys - see the Islands surround you - lunch on a isolated island or on the boat - extra optional a short elephant trek.