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Diving in Koh Samui

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When to go to Koh Samui

Koh Samui is a year-round destination with a tropical monsoon climate. The rainy season is from November to January. The high season is from February to September. The average air temperature: 25-33C / 77-91F. The water temperature: 26-30C / 80-86ft. The currents can be strong. The visibility varies from 5-30m/16-98ft and from October to November visibility reduce.


What to see

Many pelagic fish such as whale sharks are frequent visitors to the area in March and April and again in September and October. Colorful soft and hard corals are in abundance, schools of snapper and barracuda abound, and the area is famed for its turtles, gint groupers and triggerfish.

Scuba diving in Koh Samui

Koh Samui is an island located off the east coast of the Kra Isthmus, in the heart of the Gulf of Thailand. Koh Samui airport is located there. Koh Samui is administratively part of Surat Thani Province and is the second-largest island after Phuket. The island features pristine nature, rows of coconut trees, white-sand beaches and coral reefs. Tourists flock here for one of the best-known festivals on Ko Samui - the Buffalo Fighting Festival. Diving is a popular activity around this area with plenty of sites suitable for divers of all levels of experience. There are around 20 sites in the area, including the diving haven of Koh Tao. Various underwater topography offers a chance to explore some pinnacles, massive rock formations, colorful soft and hard corals and sloping reefs.


Most popular dive sites

Koh Samui has a number of high-quality dive sites that are suitable for divers of all levels of experience. The major dive sites around Koh Samui are easily accessible. Some of the best dive sites at Koh Samui are Hin Yippon, Twins, Sail Rock, Shark Island and the must see Chumpon Pinnacle, located near Ko Tao.

Dive centers in Koh Samui

All 15 dive centers Koh Samui