Khao Sam Roi Yot National Park (อุทยานแห่งชาติเขาสามร้อยยอด) It comprises high and steep limestone mountains by the beach and a wet mud plain beach combining with shallow sea, as well as limestone islets lined up near the shore, where various kinds of birds reside during November and February. It was named a national park on June 28, 1966, the fourth national park of the country and the first marine national park of Thailand. There are many attractions within the park which include Khao Daeng View Point, Tham Sai, Thung Sam Rot and Hat Laem Sala.