The Similan Islands are one of the most famous dive destinations in Southeast Asia — a chain of nine granite islands in the northern Andaman with distinctive boulder beaches, world-class coral gardens and crystal visibility most of the year. They're a long-range trip from Phuket, they're only open during the dry season (typically mid-October to mid-May), and they're not an everyday destination in the way Phi Phi is. Our Similan articles cover exactly what the annual closure means for planning, what to expect from a day trip versus a live-aboard, the differences between the northern and southern islands, and the realistic time budget for visiting from Phuket.
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