From Phuket, hop on a boat and explore the Similan islands any time from October 15 to May, when they are open. This group tour takes you to remote places full of wildlife, where you’ll have crystal clear water all around you. Snorkel around coral reefs with gorgeous marine life. You’ll visit several islands on this full day tour, and get refueled by a buffet lunch, fresh fruits, and non-alcoholic drinks.