Although both are inhabited, Ko Lanta Yai is the primary tourist destination.

The park was established on 15 August 1990 [1] A clan of Chao Ley, or "sea gypsies" lives on Ko Lanta Yai.

The clan still practices many of their ancient customs and ceremonies, such as the setting of ceremonial boats adrift to bring good luck and prosperity on the full moon nights of the sixth and eleventh months.

[2] Ko Lanta was once known by its Malay name, "Pulao Satak", which means "Long Beach Island".

The area of Mu Ko Lanta National Park is 83,750 rai ~ 134 square kilometres (52 sq mi).

The plants in Mu Ko Lanta National Park can be categorized into three groups.

The important plants are Hopea ferrea, Dipterocarpus turbinatus and Lagerstroemia floribunda.

Significant plants are bengal almond, Millettia pinnata, and beach morning glory.