Koh Phangan Counted as a large island next to kosamui.located in the gulf of thailand are called channel ang thong province surat thani is a large island.Attractions that are popul here.Mare island "will offer beautiful sea alaredy.this is also a diving snorkel and sight of historical interest."Glacier bay Highness"and Moon in the past year over. And the last place. party full moon at present,such a contest,the boxing show.what is a demonstration of yoga and moonlight.