Angthong National Marine Park locate about 25 kilometers to the west of Koh Samui, The park is composed of 42 islands which KOh Paluay, Koh Wua Ta Lup, Koh Mae Koh(Emerald Lake), Koh Hin Dup and etc. Most of these island terrain are of limestione reaching heights of put to 400 meters and fringed by beaches and tropical rain forest. Caves and rock for mations comprise picturesque elements. From Koh Samui, the trip take about 1.30 hours. (by speed about 50 minutes.)

            Koh Nangyuan is said to be one of the world's most beautiful islands. If you look in the map, Koh Nangyuan in a tiny island attached to Koh Tao like a tail of tortoise. As seen in the picture, Koh Nangyuan consists of a large mountain and two smaller ones, it is this spectacular view that known to the world.