They are located approximately 130 kilometers north of Phuket, were "discovered" in the early 70s and it is the area most beautiful, remote and wild of the Andaman Sea, the best snorkeling of Thailand.From Phuket, we can also go there by day, is a pretty discouraged given the distance.However, much recommended, is the trip of two or three days or more, sleeping in tents or, even better in bungalows with fan or air conditioning, Of course everyone want those places in the bungalows, but there are few, and then compulsory reservation well in advance, if you want to rest in something of different from the tent One advantage of Koh Surin is that it is not necessary to dive to discover the wider diversity of the Andaman Sea.Coral reefs are shallow and perfect for snorkeling, even those not so familiar with the sea will have 'the opportunity' to see lots of fishes and corals and if you're lucky you may also see turtles, whales and sharks resting among the mangroves. These islands are inhabited only by Monken and Ranger of the Park and are open to the public from the end of October until the end of April.