There are many really nice party when Koh island became a popular travel destination and visitors comming from every area of the globe to enjoy it.
Two of the most popular of the bays, Haad Chaloklum especially in high season are filled up with sun worshipers but there's also less visited, more secluded bays and beaches. Party is asia's best known Yoga Classes,a Chinese Temple and Lessons for Thai-style Cooking.
If you are in search of the best Resort you will enjoy an uncomplicated access to food markets, ATM machines and bakeries. Kohphangan has many undeveloped beaches and jungle, some only reachable by trekking through jungle paths or using a boat.