The Similan Islands is a continental archipelago in the Andaman Sea off the coast of, and part of, Phang Nga Province in southern Thailand. It is the maritime border between India and Thailand. It was established as Mu Ko Similan National Park in 1982 after a one-year assessment by the forestry department.

Ranked #8 on "Top 10 Thailand Beaches & Islands in 2026". Cast your vote to back or challenge this spot.
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