Payar Island is an island in Kedah, Malaysia. Payar Island status as a marine park offers protection for its diverse marine life. Payar Island is also a snorkelling and diving site famous for its corals. The Payar Island Marine Park is situated in the northern part of the Straits of Melaka, 19 nautical miles (35 km) south of Langkawi and encompasses the islands of Payar, Lembu, Segantang and Kaca which are surrounded by coral reefs. The marine park teems with a diversity of marine life and vegetation. Many endangered species of fishes and marine organisms live within the sanctuary. Measuring 2 km long and 1/4 km wide, Payar Island is the most popular of the islands as its sheltered waters are ideal are for snorkelling, diving and swimming.