Activities In Koh Phangan
Kayaks are available for the hire on most beaches for 60 THB to 100 THB per hour. The obvious precaution should be be observed such as covering you skin from hot sun, and bring water to drink.
Popular routes are between Thong Nai Pan and Haad Khuat and also Chaloklum to Haad khuat, from Haad Rin to Haad Thian and Haad Yuan.
Scuba Diving & Snorkelling
Koh Phangan is an excellent place to drive and snorkel with numerous dive sites and relaxed yet professional attitude to the sport, with the vibrant coral reef that follows the west coast of the island.
It is also a very inexpensive place to learn to dive with PADI Open Water Courses at some of the best rates in the world & right up to theinstructor level.
Mountain Biking & Trekking
Bikes can be hired in most towns and villages, just ask around the quality varies but there are some reasonable machines out there. Apart from Thongsala and on to haad Yao, the island is predominantlu hilly. Road in the hilly areas is a good ride, especially Thong Nai Pan Road. For easier riding stick around The Thongsala area would be Phaeng Waterfall Where you can also see the Jade Budda and Laem Son Lake.

Their are lots of activities such as Fishing, Boxing, Boat Trip, Hovpods,
Kon Nang Yuan Day Trip,  Beach Football, jungle Safari etc.