Ko Hai is an island in Krabi Province, but can better be reached via Trang Province on the southern Andaman Coast.
Like many other coastal destinations in southern Thailand, it is known for its diving and long white beaches.

Koh Hai, also known as Koh Ngai, is located 13 km away from the south of Koh Lanta. It is one of the Koh Lanta group of islands that makes up the Koh Lanta National Marine Park.
A small, triangular island, less than 5 km square in size, Koh Ngai has a forested interior and offers white sandy beaches alongside clear water and good corals which encircles the entire island making it a perfect place for snorkeling.

Koh Hai is a secluded island and accessible only by boat. It is about twenty minutes by speed boat from Pakmeng Pier located in Trang Province which is the nearest pier to the resort or from Saladan Pier on Koh Lanta , Krabi.
It takes an hour and half by ferry and fifty minutes approximately by speed boat. The most convenient transportation is getting to Pakmeng Pier in Trang.