Ko Thong Lang is a medium-sized island in Mu Ko Chumphon National Park, off the Chumphon coast about 2 km west of Ko Rang Ka Chiu. Its western shore has a stretch of fine white sand over 100 m long, shaded by trees, and the clear water around the island holds shallow coral that attracts snorkellers. It is reached only by boat, for example on snorkelling day trips.
Records last updated: September 30, 2026
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