Top picks for Koh Samui Day tours

Discover 70 Day tours in Koh Samui on Trip.com, updated January 17, 2026, with experiences lasting from 1 to 12 hours. Find the perfect adventure for your day!

From CAD 27.83 per person, with an average total of CAD 75.02. Choose the option that suits your plan.

With 506 verified reviews, Day tours Koh Samui boast an average rating of 4.5.

This week's most popular Day tours: "One-day tour to Angthong Marine National Park", with 192 reviews and a 4.5 rating.

Now on Trip.com: "Koh Samui Departure: Pig Island & Tean Island Snorkeling Experience|Upgrade to a pink dolphin encounter", a 5-hour adventure in Koh Samui!

The next available day tour departs on January 18, 2026. Book now to secure your spot!

Koh Samui Day tours usually take about 5 hours — perfect for a relaxed, immersive experience!

100% of Koh Samui Day tours now offer English-speaking guides

January is the perfect time to visit Koh Samui! Choose from Day tours available day tours, including seasonal favorites like One-day tour to Angthong Marine National Park.

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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70 results for Koh Samui Day tours

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Reviews/Trip Moments

Reviews: Koh Samui Departure: Pig Island & Tean Island Snorkeling Experience|Upgrade to a pink dolphin encounter
Guest User2026-01-09
The trip was wonderful! Phillips is a very nice guide, he was definitely setting up the positive attitude for the whole trip, the trip itself was good, we had enough time at each location, and the food afterwards was so delicious!  Thank you!
Reviews: Koh Samui Pig Island and Tean Island Snorkeling with Pink Dolphin Half-Day Tour
Guest User2025-10-22
The half-day trip was very relaxing, and I didn't have to get up early. Maybe everyone doesn't like half-day trips, but it was just my daughter, another couple, and me that day, so it was a very relaxing experience. Pig Island is perfect for children. While there's nothing particularly exciting, the kids loved the pigs. We even rode a jet ski (optional) and snorkeled once, which was a very relaxing experience. The weather was nice, and the sunset was beautiful. The departure pier was a bit far, and it felt like almost an hour's drive. The boat was quite fast, arriving in less than half an hour.
Reviews: Koh Samui: Private Longtail Boat to Pig Island with Snorkel
Guest User2026-01-04
Everything was great.
Reviews: Koh Samui: Koh Tao and Ko Tao + Nang Yuan Island 1-day tour speedboat snorkeling with hotel transfer and lunch included
Guest User2025-11-13
This tour was so enjoyable! The tour guide was quick to respond and friendly. The tour staff were also pleasant and helpful. This unforgettable Koh Tao Nang Yuan tour is a must-do. I highly recommend it! The food was delicious, too. I had an amazing day.
Reviews: Koh Samui: Hawk Adventure Ziplining Aerial Walkway in Nathon
Guest User2025-10-14
Super cool. The trip is wonderful. All staff provided good service.
Reviews: Phuket to Koh Samui by Coach and High-Speed Catamaran
Guest User2025-08-04
The staff was incredibly helpful! I left a bag with my things and they sent it to me on the next ferry. I'm so grateful! Absolutely professional!