700 km from Bangkok, the famous Koh Samui is the largest island in an archipelago of more than 80 islands that includes the Ang Thong National Marine Park. It is Thailand’s 3rd largest island and well known for its palm-fringed beaches, coconut groves and dense and mountainous rain-forest. It’s also home to luxury resorts, high-end spas and a vibrant nightlife scene that attracts a young crowd.