Snorkeling
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.

Diving
Koh Lanta is closed to many popular diving sites in Andaman Sea such as Hin Daeng-Hin Muang and Koh Ha, with more than 200 hard corals and 108 reef fish catalogued in a study underway, but thousands more organisms abound. Many divers from over the world love to come to Andaman Sea for diving. There are many certified diving school, diving shops and diving center available on the island, to serve the diving starter too. A short trip to the snorkeling spot is very recommended. which depending on your budgets.

Trekking
Get the new experience it's fun and another good experience to explore the Koh Lanta's rainforest, green land by sit out on the working elephant back to the waterfall or the viewpoint. The powerful creature will bring you climb up to the rainforest hill of Koh Lanta National Park, observing the full rich of plants and small creature of wild life.