Similan Islands National Parks in Phang Nga of Thailand.

The Similan Islands National Park host the most beautiful group of dive sites in country. The Similan Islands National Park is established in 1982 and located in Ko Phrathong Sub-distreict, Khuraburi District, Phang Nga Province of Thailand and covers 128 square kilometers, 80,000 rais, of area, 140 square kilometers of which is land composed of all the islands put together.

Located along the western coastline of the Andaman Sea and in the Indian Ocean, about 100 kilometres northwest of Phuket of Thailand, it is one of the dive wonders of the world. What's most fantastic about these islands is that it has two entirely different types of environments in just one destination.

The east coast of Similan Islands National Park in Phang Nga of Thailand, known for its powdery coral beach, features hard coral gardens. These gardens slope dramatically from the surface down to approximately 30 - 40 meters. Here, the most popular activity is drift diving, which gives a diver the popular activity is drift diving, which gives a diver the opportunity to watch te reef inhabitants go about their business.

The west coast of Similan Islands National Park in Phang Nga of Thailand can offer a faster paced, more exhilarating diving experience as currents swirl around the huge granite boulders, some larger than the grandest of houses. There are well over 20 charted dive sites in the Similan chain. The diving season extends from December to April.

Diving sites have depths of 25 - 29 metres with 35 - 40 metres visibility. Some of the islands' best attractions are Koh Huyong and Elephant Rock. To get there, boats can be chartered or individually booked from several dive companies in Phuket of Thailand, or from Thap Lamu and Khao Lak in Phang Nga province north of Phuket, Thailand.