Koh Similan islands national park was established in 1982, covering an area of 128 square kilometers on Andaman sea. In 1998 Koh Tachi (the northernmost island in the group) was added making the total area 140 square kilometers. It is in Khura Buri district of Phang Nga province.
"Similan" in Malay language means number 9. It is the number of islands in the group. After including another
two more islands in the north the marine park now contains 11 islands.
Koh Similan islands are rich in flora and fauna. The islands are the combination of several forest types,
and the convergence of evergreen forest and coral reef. The bio diversity ranges from the world's largest whale
shark to rare birds such as Nicobar Pigeon and Pied Imperial Pigeon, as well as 27 species of mammals, 22 species
of reptiles, and at least 4 species of amphibians.
These animals have been living in these nature long before the first human came.
During the open season (from mid November to mid May) both speed boat and slow boat ferry are available daily at Lab Lamu pier in Phang Nga, on highway no. 4. Groups can charter the whole boat. The distance is 70 km. Phuket also have boat services to the Similan islands.
Limited bungalows are available on Koh Si (no 4 island or Koh Mieng) and Koh Paed (no 8 island or Koh Similan).
Camp grounds with tents, and restaurants are also available on these two islands.
Park's mainland visitor center is 5 km before reaching the Tab Lamu pier. Phone number is 076-595 054.
On Koh Mieng or Koh Si (island no. 4) there is a headquarters for the islands.