A group of young Swedes dancing on the beach with their mini buckets of vodka and soda. The boys said that when they heard stories about the goings on at the party they decided to give it a try. From the left Henry (22), Rasmus (22) and Karl (22). The full moon party on Haad Rin Beach on the island of Ko Pha Ngan in Thailand attracts about 30 000 partying backpackers and other tourists every synodic month.