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Things to do in Koh Samui

514+ tours, tickets and activities in Koh Samui, Thailand. Booking is completed on Viator, with free cancellation on many options.

Tours and activities in Koh Samui

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Breathtaking Angthong Marine Park Speedboat Escape from Koh Samui

This breathtaking panoramic cruising tour in the fascinating Angthong archipelago is for those who want to experience a great outdoor adventure with snorkelling, kayaking and hiking. Swim in immaculate waters with vibrant corals and joyful schools of fishes, and climb to the top of the viewpoint of Mae Koh Island - this will definitely sweep you off your feet.

4.2(284)Rated 4.2 out of 5 from 284 reviews7 h 30 minFree cancellation

From £47.49 per person

Mr. Tu Day Trip to Angthong Marine Park by Speed Boat from Koh Samui

Experience the beauty of the archipelago of Angthong Marine Park with 42 islands, amazing formations, peaks and seemingly impossible to stand rocks. On the speed boat of Mr. Tu you will never feel crowded. Start with excellent snorkeling for about an hour at Koh Wao Yai, then climb up about 200 steep steps on Koh Mae Ko for a super view of surrounding islands and the Emerald Lake. Enjoy lunch on…

4.2(111)Rated 4.2 out of 5 from 111 reviews8 hFree cancellation

From £43.49 per person

Koh Samui Chaweng Beach Nightlife Walking Tour

Your Koh Samui Nightlife Adventure! Experience Chaweng’s nightlife the right way — hosted, seamless, and packed with energy. No guesswork, no long lines, no wandering around trying to figure out where to go. Just a curated party route through Koh Samui’s top venues with a fun group of travelers from around the world.

5.0(21)Rated 5.0 out of 5 from 21 reviews4 h 30 minFree cancellation

From £18.12 per person

Samui Suppers Food Tour with 15+ Tastings

Hop on our evening Koh Samui food tour as we head northwest to Nathon to eat exactly where the locals live. From street food legends to family-owned eateries that have guarded their recipes for generations, this 15-tasting movable feast connects you to the heritage flavours of Samui’s original port town. It’s a deep-cover unveiling of the island's best-kept culinary secrets. Come hungry.

5.0(11)Rated 5.0 out of 5 from 11 reviews4 hFree cancellation

From £44.57 per person