Koh Samui (Samui Island) is the third largest island in Thailand, with a area of 228.7 km², Only Phuket and Koh Chang are larger, and during the last decade it has become one of Southeast Asia 's premier tourist destinations.It is the island of three million coconut trees, and lies in the Gulf of Thailand, 700 kilometers south of Bangkoki.
The 55 kilometer long ring road makes it convenient and practical to travel from beach to beach. It was built in 1973. The airport was built in 1989 and totally renovated in 2007. It is considered as one of the most beautiful and exotic airports in the world.
Well known beaches are Chaweng, Lamai, Bophut, Big Buddha, Choengmon, Hua Thanon and Maenam. Samui do also has many sister islands; Koh Tao (top diving destination in Asia), Koh Phangan (known for it's Full Moon Party etc.), Angthong National Marine Park, Koh Tan and the spectacular Koh Nang Yuan.