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Discover the breathtaking marine world of Koh Tao and Koh Nang Yuan on this full-day group speedboat tour from Koh Samui. Cruise for around 90 minutes across the Gulf of Thailand to reach coral-rich waters ideal for snorkelling among colourful tropical fish, sea turtles and, during peak season from March to June, the chance to spot whale sharks.
Explore Koh Nang Yuan’s white sandy beaches and iconic sandbar, hike to the viewpoint for panoramic island views, and relax with a Thai buffet lunch included. Complimentary transfers to and from your accommodation make this an easy, well-organised day out, ideal for snorkellers, nature lovers and travellers wanting to experience some of Thailand’s most beautiful islands.
Experienced, English-speaking guides take care of everything from safety briefings to snorkelling equipment, so all you need to do is jump in and enjoy the vibrant underwater world.
Looking for a private trip?
Explore our Private Speedboat Experience


















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