Part of the Mu Ko Lanta National Park, Ko Rok Nai is very beautiful, with a crescent-shaped bay backed by cliffs, fine coral reefs and a sparkling white-sand beach. It's off limits to visitors from 16 May to 31 October.
Sidelnikov Timur / 500px
Lonely Planet's must-see attractions
Ban Si Raya
22.32 MILES
Located halfway down Lanta's eastern coast, Ban Si Raya was the island's original port and commercial centre, providing a safe harbour for Arab and…
Mu Ko Lanta National Park
18.1 MILES
Established in 1990, this marine national park protects 16 islands in the Ko Lanta group, including the southern tip of Ko Lanta Yai. The park is…
Tham Khao Maikaeo
22.61 MILES
Monsoon rains pounding away at limestone crevices for millions of years have created this complex of caverns and tunnels. There are cathedral-size…
Laem Tanod
17.96 MILES
The wild, jungled mountainous southern tip of the island has sheer drops and massive views for intrepid motorbikers. The road to the Mu Ko Lanta National…
Tham Seua
21.55 MILES
Reached via a signposted track heading east off the national park headquarters road, 2km south of Hat Khlong Nin, Tham Seua has interesting tunnels to…