Koh Thalu is a small, largely forested island in Khao Laem Ya–Mu Ko Samet National Park, east of Koh Samet off the Rayong coast. Steep cliffs form its western side, while white sand beaches run along the east and south. The coral reefs around the island make it a known dive site. It is reached only by boat, so sea conditions are worth checking before a trip.
Records last updated: September 30, 2026
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