There are many ways to see the island, you can take a local taxi for a little amount of Baht,or you are able to drive you can hire a motor bike or crossbike and do it in your own time frame.
Koh Phangan used to be the hippy heaven, currently a 'broader range' of tourists travel here.Everybody want to find a laid back and easy going place.
Lots of people return year after year to their bar in Khao Lak where the ambience is more European than Asian.