Koh Phangan is an Island in the northeast of Surat Thani, about 20 kilometers from Koh Samui. Its area of 170 square kilometers, or 106,250 rai, is surrounded by several minor islands such as Koh Tao, Koh Tae Nok, Koh Tae Nai, and Koh Ma. The Island attracts many popular activities one being snorkeling at many of the island beaches; one beach in particular is in the northeastern tip at Koh Maa. Other activities now include kite surfing, kayaking and trekking. Koh Phangan has now become synonymous with the full-moon parties on Haad Rin. The south eastern part of Koh Phangan is the main party area including Haad Rin and the full moon party beach. Most of the area surrounding Haad Rin is mountainious making most of the excellent white beaches unable to reach by road, the only way to get to them is by long tail boat from Haad Rin.