If you have plastic or travellers cheques, there are plenty of places to get cash; the main towns of Thongsala and Haad Rin have the best selection of exchange booths and banks, who all offer similar rates. Most towns have ATMs and there are a few 7-Eleven’s, supermarkets and resorts with them.
Take a look at our town map of Thongsala and Haad Rin if you are looking for banks or money exchange services.