Koh Seh Island

Koh Seh Island is a small Cambodian island off the coast of Sihanoukville.

Koh Seh Island beach. Sihanoukville Cambodia.The 8 square kilometer island of Koh Seh, 1.5 km south of Koh Thmei Island and 9 km south of the mainland of the city, is part of the Ream National Park in the province of Sihanoukville.


Koh Seh Island is a great place to relax during a day trip. You can hike there or dive, snorkel, fish and swim in the sea. The trips to the island are offered by various travel agencies located at the pier at the end of Serendipity Beach Road.

Diving snorkeling:

Diving and snorkeling is very popular in front of the island Koh Seh. Whether you want to learn to scuba dive or are a diver, the dive shops in Sihanoukville will be happy to help.

If you dive there you should be aware that it is only 4 km, (only a few minutes), to the island of Phu Quoc in Vietnam. This is another country. Without valid entry documents you should not dive in the waters that are part of the Vietnamese territory.

Hotels and bungalows:

There is currently no accommodation here. If it becomes available the information will be updated here.



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