Top Koh Samui Day Tours

Discover 72 Day tours in Koh Samui on Trip.com, updated April 27, 2026, with experiences lasting from 1 to 10 hours. Find the perfect adventure for your day!

From THB 722.23 per person, with an average total of THB 1,903.24. Choose the option that suits your plan.

With 1.284k verified reviews, Day tours Koh Samui boast an average rating of 4.6.

This week's most popular Day tours: "Popular Similan Islands day trips in Phuket - island hopping and snorkeling / multiple boat types available / reputable boat company", with 364 reviews and a 4.8 rating.

Now on Trip.com: "Koh Samui vintage red sailing boat sunset tour with pickup service and buffet", a 3-hour adventure in Koh Samui!

The next available day tour departs on April 28, 2026. Book now to secure your spot!

Koh Samui Day tours usually take about 3 hours — perfect for a relaxed, immersive experience!

97% of Koh Samui Day tours now offer English-speaking guides

April is the perfect time to visit Koh Samui! Choose from Day tours available day tours, including seasonal favorites like Popular Similan Islands day trips in Phuket - island hopping and snorkeling / multiple boat types available / reputable boat company.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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Reviews/Trip Moments

Reviews: Koh Samui vintage red sailing boat sunset tour with pickup service and buffet
Guest User2026-03-02
A wonderful trip. The staff was very helpful and friendly. The trip was relaxing. The sunset was beautiful. The food was delicious. You can dive from the boat and fish. We caught three fish right before our eyes. Thank you so much! And by the way, a scene from season 3 of the TV series "White Lotus" was filmed on this boat :)
Reviews: Koh Samui one-day tour[Off-road Vehicle Around the Island | Island Sightseeing | Optional Elephant Encounter or Kayaking]
Guest User2025-02-20
As a Chinese person, this is my first trip to Koh Samui since the pandemic. I traveled here for three consecutive years in 2016, 2017, and 2018, and back then there were so many Chinese tourists. I just want to say that the island tour was incredibly enjoyable. My wife also thought the guide and the SUV experience were fantastic. We even had lunch and danced with some foreign friends! Unforgettable memories. I hope more Chinese tourists will come to visit. Although there are many small travel agencies near the hotel offering island tours or boat trips, I recommend booking directly through Ctrip (safe, reliable, and they speak Chinese). You can just wait in the hotel lobby the next day…! In short, Thailand is safe, and I hope you'll have the chance to come and enjoy its beautiful scenery.
Reviews: Koh Samui Departure: Pig Island & Tean Island Snorkeling Experience|Upgrade to a pink dolphin encounter
Guest User2026-03-27
Feeding pigs 🐖, snorkeled with fish 🐠, and relaxed on stunning beaches. Friendly vibes and epic adventures!
Reviews: Koh Samui 4X4 off-road island adventure tour: Hin Ta Hin Yai + Na Muang waterfall 1-day tour
Guest User2025-09-23
The 4x4 island tour of Koh Samui was amazing! Few Chinese tourists, no crowds, and the guide was incredibly friendly, like a private guide. The rooftop experience was exhilarating, and the Sintha, Sinah, and Na Mang Waterfall experiences were top-notch! This 4x4 island tour of Koh Samui was an exceptional experience! We encountered almost no other Chinese tourists, no queues at attractions, making it peaceful and relaxing. The guide stayed close to us the entire time, providing attentive service like a private guide. He not only helped us take photos of our wild rooftop adventures but also shared local anecdotes in Chinese, showing exceptional enthusiasm towards Chinese tourists. The itinerary was also very comfortable. We started with the pristine coastal scenery of Sintha and Sinah, enjoying the incredibly refreshing sea breeze; then we went to Na Mang Waterfall, where splashing in the cool stream was incredibly relaxing. Especially when driving on the mountain roads, standing on the rooftop holding onto the handrails, with the wind carrying the scent of grass and trees, the wild feeling was intoxicating! We had a fantastic and relaxing trip!
Reviews: Thailand Koh Samui Day Tour [4x4 Jeep Island Tour with Panoramic Views/Seaside Lunch]
Guest User2026-03-10
Great tour. Interesting sights. Friendly guide.
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