Koh Tao is located on the east side of the Surat Thani coastline with two neighboring islands, Koh Phangan and Koh Samui. Koh Tao is officially a subdistrict of Koh Phangan in Surat Thani province, and the name, in English, means ‘Turtle Island’ for the island’s connection with its being inhabited by sea turtles. Though they are not as plentiful as in the past, nowadays you can still find green and hawksbill turtles in some areas such as Thian Og Bay. The island’s shape is also thought to resemble a turtle when viewed from Koh Phangan.
The island’s natural beauty both above and below the water, with its stunning coral reefs and abundant marine life in clear, warm water, bring thousands of visitors here each year making it an unforgettable destination for divers, adventurers and travellers alike. This, combined with the relaxed atmosphere and life style, has been attracting people here for over 40 years and is now a warm second home for many.  Koh Tao has developed in many ways, and with its thriving diving industry, is now one of the leading centres for dive education in the world.

Koh Tao is small island form a part of the Gulf of Thailand. It’s cover an area about 21 km²  Administratively by Surat Thani Province. Getting to Koh Tao by boat only till now with many kinds of ferry service.