There's something for everyone in Koh Samui, Thailand's second largest island. Explore the archipelago with island hopping activities to Ang Thong National Marine Park, Koh Tao and Koh Nang Yuan. Put on your mask and fins for an unforgettable snorkeling or scuba diving adventure. Discover the natural wonders of Samui by kayak or a boat cruise. Have picnic at the beach or share a romantic dinner. Don't forget to pay the Big Buddha a visit and check out Koh Samui's different rock formations.