Mu Ko Vitra is a marine national park in the Malacca Strait off Thailand, covering mostly the coastline, open waters and about 30 islands in the southern part of Trang Province and the northern part of Satun Province. Years (during the Ordovician era) on this marine park, forming a unique terrain in it, and it also features a long beach with soft white sand and clear water ideal for diving and snorkeling.