About Koh phra thong Koh Phra Thong is an island in the Andaman Sea, in Phang Nga Province, southern Thailand. Koh Phra Thong is an elongated island, about long and wide, with a total area of . The island is hilly, with the highest point at above sea level. The east coast is lined with mangroves, while the west coast is rocky. The island is uninhabited. Koh Phra Thong is a popular tourist destination, with its white sand beaches, crystal clear water, and coral reefs.
