Snorkeling is one of the most popular activities in Koh Lanta. Most of the tourists when they visit on Ko Lanta. They will buy a day trip for snorkeling. Ko Rok Trip or Four Islands trip ( Koh Ngai, Koh Mook, Koh Chuek, Koh Kradan ). Since the island possesses many islands, each of which offers the magnificent underwater paradise, there is a day or a few-day-trip for snorkeling on the scattering islands. The most popular destination for snorkeling is Koh Rok, the beautiful island within the Koh Lanta National Marine Park. Because of the white sand beach and crystal clear water that you can see the coral reefs and fishes. And it' s more easy from here to get to these islands. The island is famed for its abundant and colorful coral beds and breathtaking panorama.