Angthong National Marine Park is a pristine archipelago of 42 islands in the Gulf of Thailand with towering limestone, mountains, thick jungle, white-sand beaches, fertile mangroves, and hidden coves and lakes to explore.


Within sight of Koh Samui, Angthong Marine Park is a protected area of more than 100 square kilometers of land and sea, and home to a rich variety of exotic wildlife and sea creatures.


Snorkeling, hiking, sea kayaking, diving, sailing and simply relaxing on one of its idyllic beaches are the main activities to enjoy on Angthong.

A secret waiting to be discovered and located only 1.5 hours from Koh Samui. Koh Nang Yuan has one of the most beautiful beaches where you can sit and enjoy quiet sunsets on the beach, no cars or hustle or bustle.
It is place of tranquility and serenity and is a perfect place to unwind from the rigors of travel, or for the more adventurous a chance to dive or snorkel into an exciting new experience.
With crystal clear waters in assorted shades of aqua and diverse marine life, Koh Nang Yuan offers great snorkeling and diving opportunities. In fact, visitors can just strap on their gear, walk into the water from the beach, and immerse themselves in the underwater world. Great diving spots nearby include White Rock, Green Rock and Twin Peaks, where coral reefs and colorful fish are plentiful.