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About Mu Ko Samui

Mu Ko Samui is a group of islands in the Gulf of Thailand. The islands are split between 3 different districts: Koh Samui, Koh Phangan, and Khanom. Khanom is the center of marine transportation to the remote Koh Samui, Koh Phangan, and Angthong National Marine Park. Koh Samui is an island with abundant natural resources, white-sand beaches, coral reefs, and coconut trees.  Koh Samui diving offers a number of high quality dive sites which are suitable for divers of all levels of experience. Many pelagic fish such as whale sharks frequently visit the area. There are also massive rock formations and colorful soft and hard corals. Koh Phangan is an island that has a large range of lovely sites around the island. These dive sites are perfect for both novice and experienced divers, and have rarer creatures such as turtles or sea snakes. Khanom is a small, quiet fishing town that consists of a series of beaches nestled in the limestone. Most of the coastline of the district will be protected as part of the Hat Khanom-Mu Ko Thale Tai National Park, which is currently in the process of being created. Nai Plao Beach is the most popular of these beaches. There are 2 caves in the area and a few waterfalls.

Most popular dive sites 

One of the famous dive sites is Hin Yippon, which is located on the north end of Angthong National Marine Park. The maximum depth here is 20m/66ft. Other worth visiting sites in these waters include Southwest Pinnacles, Shark Island, Twins, Chumpon Pinnacle, Sail Rock.

When to go to Mu Ko Samui

Like much of Thailand, the weather here is of the tropical variety, meaning hot and humid conditions year-round. Temperatures hover around 32C/90F during the day and 25C/77F at night, with just a few degrees difference between the warmest and coolest months. The water temperature is between 27-30C/81-86F and visibility varies between 5-40m/16-131ft.


What to see

There are a lot of corals (table corals, brain corals, and plate and reef corals), and special features like shallow caves and caverns, outcroppings, swim-throughs, and abundant tropical and pelagic fish. Divers can encounter grouper, anemonefish, rabbitfish, damselfish, butterflyfish, snappers, stingrays, barracudas, hunting trevallies, and nudibranches. Sometimes whale sharks, reef sharks, green and hawksbill turtles, and even migrating minke whales can be seen here.