Koh Mook is a large island comparing with nearby islands but little smaller than Koh Libong. It is well known as the owner of Emerald Cave (Morakot Cave). Koh Mook is virtually more interesting for its beautiful beaches of fertile natural surroundings. It is the island of ancient communities mostly Muslim. Villagers normally use long-tailed boats to travel between the island and Kuan Tung Ku Pier taking only about 15 minutes.
Koh Mook's population is mostly Muslim people. Their occupations are fishing (cuttlefish), growing Para rubber and coconut trees. People can transport to any place by walking, riding motorcycles or bicycles. Koh Mook located about 3-5 km from Sapanyao Pier is a small beach called Farang Beach with 3-4 bungalows among peaceful surroundings and can be accessible by rented motorcycles.
Mostly are package tours including the journey to Morakot Cave, dive at Koh Chuak, Koh Ma and Koh Waen. All facilities which are buoy, rope and flashlight will be provided by the tour operators. You can also rent the boat from Koh Mook to Morakot Cave. There are three or four resorts at Koh Mook as well as restaurants, shops and motorcycles for renting.