Koh Tao is one of Thailand’s top islands for diving, snorkeling, and adventure travel. Known for its crystal-clear waters, vibrant coral reefs, and affordable scuba certification, it attracts ocean lovers from around the world. Highlights include Shark Bay, Koh Nang Yuan, and panoramic viewpoints like John-Suwan. With laid-back beaches, lively hostels, and stunning marine life, Koh Tao is perfect for backpackers, underwater photographers, and travelers seeking a mix of relaxation and adventure in the Gulf of Thailand.