Diving Ko Samui Diving Ko Samui – Image courtesy of chantara-travel.com

What to do in Ko Samui

Ko Samui offers a wide range of water- and land-based activities, including quad biking, jungle trekking and mountain biking; while the nearby Ang Thong Marine National Park offers excellent diving, snorkelling and kayaking.

Marine life at Ko Samui

Scuba Diving

The waters around Ko Samui offer good diving for beginners, with visibility in some places up to 30m and a variety of underwater pinnacles, coral gardens and marine life to see. Several operators offer PADI open water courses.

Advanced divers can visit world-class sites less than two hours away by boat at Ang Thong National Marine Park, Sail Rock and around Ko Tao (Turtle Island), where it’s possible to swim among giant groupers, scribbled filefish, masked porcupine fish, yellowtail, barracuda and snapper as well as hundreds of different varieties of colourful soft and hard coral.

The best time to enjoy optimum conditions for diving is between March and August.


Typically, good snorkelling can be found off any one of the main beaches. Swim out to offshore islands and rocky headlands at Choengmon Bay, Chaweng Bay, Lamai Bay, Hua Thanon Bay, Ko Mudsum and Koh Tan.

Or take an excursion to beautiful Ko Tao and Ko Nangyuan islands.


Paddle around the coves and explore the coastline of Ko Samui or take an excursion to the nearby Ang Thong National Park where you have a choice of lush jungle-clad islands to paddle around and explore ashore.

These include Ko Mae, with its dense rainforest and hidden green, and Ko Wao where you can explore limestone caves and bizarre rock formations.

Island hopping

Take a half-hour boat ride north to idyllic Ko Pha Ngan and party hard at the famous full moon beach party at Hat Rin Beach or learn to dive on Ko Tao, renowned for its good range of dive sites and abundant marine life.

Land-based activities

Inland, plantations of swaying coconut palms give way to a pristine, jungle-clad mountainous interior that peaks at 635m above sea level on the summit of Khao Pom.

Experience the unspoilt rainforest on foot or by elephant, quad bike, mountain bike and ATV – easily arranged from your hotel.

Latest update: What to do in Ko Samui: 11 June, 2020

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