Located in the Hat Chao Mai National Park, and the atmosphere is quiet and private. On the east side is the port, and there is a fishing village that continues the way of life of the islanders. It also has a wider variety of accommodation than the west coast. Most of which are towering cliffs facing the sea and the location of Tham Morakot. In addition, around Ko Muk, there are white sandy beaches and beautiful snorkelling spots. Hat Chao Mai National Park will close tourism on Ko Muk for natural rejuvenation from 1 June to 30 September of every year. Getting there: There is a passenger boat departing from Khuan Tung Ku Pier. It is about 22 kilometres from Amphoe Kantang taking the same route to Hat Yao but goes beyond the three-way intersection of Ban Nam Rap by about 5 kilometres to the entrance to Hat Yao. From Khuan Tung Ku Pier, it takes about 30 minutes for the trip to Ko Muk. There are scheduled and chartered boats available. Located on the west side of Ko Muk. From the cave mouth, tourists must float in groups passing through the darkness for a distance of 80 metres. At the mouth of the cave, the sunlight will reflect on the water in the cave causing the water to be emerald green. The other side is a large cavern. Inside, there is a white sandy beach surrounded by steep cliffs and illuminated by light. Hat Chao Mai National Park will close tourism on Ko Muk for natural rejuvenation from 1 June to 30 September of every year. Getting there: Tourists can charter a boat from Pak Meng Pier, Amphoe Sikao that takes 40 minutes, or buy a tour package to leave in the morning and return in the evening in the area of the Pak Meng Pier. Tourists can also charter a boat from Khuan Tung Ku Pier, Amphoe Kantang to visit the Emerald Cave.
