Koh Tao, located about 70km of the eastern shore of the Gulf of Thailand is an island of only about 21 km². As of 2006 it’s official population number in 1382. Ban Mae Haad, the main town of Koh Tao, is located on the west-coast of the island. The economy of the island is almost exclusively centered around tourism, especially scuba diving. The pristine coral reefs of Koh Tao bring divers to the island for more than 25 years now, and they have made the island famous for scuba diving and diving courses.