About Similan Islands
This pristine national park archipelago rises from the Andaman Sea as Thailand's premier diving destination, where granite boulders create dramatic underwater formations and coral gardens teem with tropical fish. Minimal development preserves the islands' natural state—accessed only by liveaboard boats to limit impact. The underwater scenery rivals surface beauty.
Country
Thailand
Best months to visit
Year-round
Currency
THB
Language
Thai
Things to do in Similan Islands
Dive world-class coral gardens and reefs
Explore dramatic granite boulder formations underwater
Photograph tropical fish and marine life
Snorkel pristine shallow reefs
Camp on island beaches accessed by boat
Take liveaboard diving expeditions
Weather by month
Click any month for detailed weather information and travel tips.
January
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February
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March
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April
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May
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June
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July
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August
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September
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October
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November
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December
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