Koh Rat is located at Moo 3, Tambon Don Sak, Amphoe Don Sak, about 60 kilometers from Surat Thani.The island's population is 85% Chinese. Originally, the villagers living on Islet were Thai Muslims and Chinese who settled down about 200 years ago.Them have pork farming and fishing career, The result of pig farming were disturbed to villagers. Then stop pork farming and only do fishing. Currently, the island is a tourist attraction of cultural tourism. Income from seafood sales, processed seafood, Homestay room service and boat ride around the island.

62 km.