Muay Thai
Gyms such as "jungle gym" in haad rin and thong sala muay thai offering training and workout facilities, as well as camps such as "horizon" located in haad tien east which is an intensive training camp. there are also frequent matches in thong sala and haad rin for spectators who don't want to learn the sport.
Scuba Diving
Ko pha ngan has lovely sites around the island which are perfect for both beginners and trained divers. from easy dives off the beach to longer trips by boat you can experience the world of tropical diving. the waters around ko pha ngan are much nicer than most people know: fine hard corals with a good range of reefs and tropical/pelagic fish. sailrock, undoubtedly the most famous dive site in the gulf of thailand. located between ko pha ngan and ko tao all the wonders of this exciting site can be explored by all levels of divers. this spectacular rock rises out of the water creating the best wall dive with a maximum depth of 40 metres. providing a great range of marine life, spectacular underwater scenery, rock formations. there are several padi dive-schools on the island, amongst others, haad yao divers a padi 5 star idc dive resort located on haad yao and haad chao phao, reefers dive resort located on haad yao beach, sail rock divers, lotus dive resort, both located in chalok lam, and phangang divers, located in haad rin. you will, however, find many more dive schools through out the island.
Full Moon Party
If you're after party heaven you can't do better than haad rin, an expanded village of beach bars, cheap chicken burgers, and low cut figure-hugging outfits. it is most popular one night a month, the night of the full moon party. every bar is hopping, the beaches packed with trance, dance, buckets, and various other suspicious substances. however, if the sight of thousands of bottles and other trash repulses you, make sure you leave the beach area before the sun comes up, or grab a garbage bag and help tidy up a little. if you're not on ko pha ngan during the full moon, don't worry: there are other parties to be had, including half moon 2 times a month, black moon, jungle experience 1 & 9 days before every full moon party as well as the shiva moon party.
Archery
Can be attempted at the "first bow and arrow archery" close to chaloklum on the road to thongsala. four archers can have a go at the same time, people are very friendly german spoken during high season and helpful, price 15mins for 150b.
Yoga
Is offered at multiple locations including agama yoga, which is located in the northwest of the island, and has month-long intensive courses.