Hat Chao Mai National Park is a protected area located in the Sikao and Kantang Districts of Trang Province, Thailand.

[3] It is a marine national park.

[4] Established in 1981, it is an IUCN Category II protected area with coral reefs, and an area measuring 144,292 rai ~ 231 square kilometres (89 sq mi).

[5][6] The park has been designated as a Ramsar site since 2002.

[2] It has also been designated an Important Bird Area (IBA) by BirdLife International because it supports a significant population of large green-pigeons.