The Best Things to Do Near Lok-Un, by the Record
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A rounded granite boulder formation that looks enough like a certain cartoon duck to earn the name sits at the edge of this remote beach in the Similan Islands National Park. Open only from November to May, when boats can reach it, the seasonal closure does the work most beaches can't manage: the sand stays fine and white, the water stays clear, and the crowd stays thin. Ranked tenth on the World's 50 Best Beaches list in 2026.