The combination between the wonders of the underwater world surrounding Koh Samui and the aquatic freedom that snorkeling can grant is a powerful one. Simply gliding through the warm waters of the Gulf of Thailand, taking in the exotic marine life is intoxicating and many full-day and half-day tours offer the best of this magical world. Surrounding islands offer the chance of a lifetime to spot the wildlife below the waves - and in gin-clear water, too.
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