The Similan Islands are located in the Andaman Sea on the west coast of southern Thailand. The archipelago consists of eleven islands, all of which are located in the Similan Islands National Park, which covers more than 140 square kilometers. These islands are the ideal travel destination for tourists who love to snorkel and explore remote and deserted places full of wildlife. All of the Similan Islands are surrounded by clear shoals of dramatic rock formations and gorgeous coral reefs.