Ko Pha-Ngan
3 Famous for its sloppy Full Moon Parties and all-night techno fun, Ko Pha-Ngan (Click here) has graduated from a sleepy bohemian island to full-on attraction for migrating party people. The beach shanties have been transformed into boutiques, so comfort seekers have an alternative to Ko Samui. And on the northern and eastern coasts, the ascetic hammock hangers can still escape enough of the modern life to feel like a modern castaway (a well-fed one, of course). Just offshore is Sail Rock, one of the gulf’s best dive sites.

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