Kohpangan is a nice island northeast of Surat Thani in Thailand.
There is a wide range of Bungalow Resorts on Koh Phan Gan for different type of budget, availible to book in advance here.
Reposeful laying on relaxing deserted beaches, snorkeling and taking a course to learn to dive at the characteristic island named Koh Ma, a protected National MarinePark.
Many popular accommodations, like for example Milky Bay frequently running out of available rooms for the Christmas and new year. Perhaps a good tip would be to book your place in a Koh Ma.