Better do a fullmoon party can be a useful advise. Hotels like Sunset Cove Fullmoon party when Had Haad Rin beach. But this is not so small and Fullmoon is just a relative small part of the island.
Whatever it is you are looking for, on the island is something that suits most people. Koh Phangan offers more than 300 resorts and guesthouses to choose from, ranging from the 100 baht per night bamboo shack without toilet to luxury air-conditioned palace with a swimming pool.
Like Samui, Phangan has experienced enormous increase in visitor numbers also it is well know its own right for its every month held infamous Fullmoon Party held on Haad Rin . Because of its big partyscene some have dubbed Koh Phangan the Ibiza of the east.
The Island has many popular activitiesone being snorkeling at many of Kho Phangan beaches, one bay in particular is in the northeastern tip near Koh Maa.
The island has also a number of upper class accommodation to offer, for example Mandalai Hotel or Raiwin BeachResort. Both of them offering top class service and can be recommended to everyone able to afford them.
The only exemption from the otherwise relaxing and quite Haad Rin changes into a dance clubs constructed of sand. If you don't fell like Koh Phangan are a lot peaceful bays, that are easy to reach like mountains, waterfalls and fishing spots.
Ko island here. But they all want to find a relaxed and easy going place.