Are you looking for a bit of adventure when staying in Koh Samui? Ang Thong National Marine Park is a pristine archipelago of 42 islands in the Gulf of Thailand. It features towering limestone mountains, thick jungle, white-sand beaches, waterfalls and hidden coves and lakes to explore. It is home to a variety of exotic wildlife and sea creatures. Snorkelling, hiking, kayaking, diving, and simply relaxing are the main activities to enjoy.