Top picks for Koh Samui Day tours

Discover 74 Day tours in Koh Samui on Trip.com, updated April 28, 2026, with experiences lasting from 1 to 8 hours. Find the perfect adventure for your day!

From DKK 123.68 per person, with an average total of DKK 366.47. Choose the option that suits your plan.

With 770 verified reviews, Day tours Koh Samui boast an average rating of 4.4.

This week's most popular Day tours: "Day Tour to Angthong Marine Park by Insea Speedboat from Koh Samui", with 220 reviews and a 4.3 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 April 29, 2026. Book now to secure your spot!

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

85% of Koh Samui Day tours now offer English-speaking guides

April is perfect for visiting Koh Samui! Choose from Day tours available day tours, including seasonal hits like Day Tour to Angthong Marine Park by Insea Speedboat from Koh Samui.

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 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: Private Longtail Boat to Pig Island with Snorkel
Guest User2026-04-08
The staff at Naphat Tour were very welcoming and contacted me via email a day in advance. Our family of four traveled on one boat, and the captain patiently waited for us at Pig Island; we didn't have to change boats for the return trip, as some other tourists had mentioned. The snorkeling location was particularly noteworthy; it wasn't the popular Tanjung Pied snorkeling spot, as only two longtail boats were there. The children were thrilled to see so many fish.
Reviews: Tean Island 1-day tour [Pink dolphin chasing available + Pig Island option]
Guest User2026-04-17
A really cool tour and a fun guide 😁🤌🏻 We were lucky and saw pink dolphins. They're not as social as the grey ones and didn't come close, but it was amazing to see them in person. I also liked the Island of Pigs, especially the little pigs, very cute :)
Reviews: Koh Samui Koh Tao + Nang Yuan Island 1-day tour [speedboating|Top snorkeling destinations
Guest User2025-08-27
We took a speedboat day trip out to sea. There were no other Chinese tourists, just four Koreans and a group of foreigners surrounding us. The crew's service was truly excellent. Since I can't swim, the crew took me off at Koh Tao. Following him, we saw beautiful corals and schools of fish 🐟. The weather was fantastic today, completely clear, even though it's the rainy season in Koh Samui. We saw the beautiful Koh Tao and Nanyuan Island; the seawater was crystal clear and azure blue—simply breathtaking. There's also accommodation on Koh Tao, which is quite peaceful. I'm considering coming back to stay for a couple of nights sometime.
Reviews: Koh Samui: Koh Tao and Ko Tao + Nang Yuan Island 1-day tour speedboat snorkeling with hotel transfer and lunch included
Guest User2026-02-05
It was a decent tour, but its main drawback was probably the price; I wish it were cheaper. We were picked up from the hotel on time, then driven around half the island to pick up the others—the Chinese are very unpunctual, and we had to wait a long time. We were taken to the pier, given water and buns, and loaded onto a speedboat for about 30 people. The ride to the first spot took about an hour and a half. Along the way, they offered free water and soda, and also sold beer and swim shoes. The place is very beautiful; I even saw a turtle! But there was a lot of trash in the water... Then we were taken to the second spot, and then to lunch. The lunch was meager, but oh well, we didn't go there to eat. After that, they dropped us off at a beautiful beach for a couple of hours, but be careful—the sun is very strong. The ride back also took about an hour and a half, plus transfer to the hotel. Overall, I can recommend it!
Reviews: Koh Samui Angthong National Marine Park one-day tour [Snorkeling/Lunch/Transfer/Kayaking]
Guest User2026-03-27
Epic day trip! Turquoise beaches, palm trees swaying, and hikes with stunning views. National Marine Park magic! A must-do in Thailand Koh Samui !
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