For experienced divers, Hin Daeng, ‘Red Rock’, and Hin Muang, ‘Purple Rock’, are must-dives in Koh Lanta. Unless the waters become extremely plankton-rich, Hin Daeng and Hin Muang have good visibility; however, it is this plankton that attracts the larger marine-life, and there is a high chance of seeing manta rays and passing whale sharks throughout the season. Divers should note that both Hin Daeng and Hin Muang are located in open ocean, and are therefore subject to weather conditions like currents and waves.

Drive to Lanta Noi to experience traditional life on Koh Lanta. Have lunch at a simple, local restaurant belonging to one of the oldest families in the area, and, if they are available, talk to them about their way of life and heritage on the island.

Drive to the center of Koh Lanta and hike for a few hours through a beautiful forest to get to Mai Kaew Cave, whose entrance is a small, indistinct clearing through the rocks. This leads you to a series of caverns housing breathtaking stalactites and stalagmites. Explore this geological wonder whose entrances and exits are alternately monolithic in size or extremely narrow.

The local marine life here is both diverse and prolific, with over 200 species of fish and 80 species of coral catalogued.

Take a long-tail boat trip on a small river through a mangrove forest, then proceed to Talengbeng Island for kayaking and swimming.