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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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Koh Samui: Koh Tao & Koh Nang Yuan Snorkeling Tour by Speed Boat

Koh Tao & Koh Nang Yuan – Island & Snorkeling Adventure Discover the beautiful islands of Koh Tao and Koh Nang Yuan, known for their stunning beaches, crystal-clear waters, and tropical island scenery. Explore some of the best snorkeling spots around Koh Tao, where you can discover colorful tropical fish and vibrant marine life. Relax on the beautiful sandy beaches of Koh Nang Yuan and enjoy the…

4.5(136)Rated 4.5 out of 5 from 136 reviews9 hFree cancellation

From £47.27 per person

Koh Samui Private Driver Tour Custom Route, Hotel & Port Pickup

Explore Koh Samui at your own pace with a private driver and comfortable air-conditioned vehicle. Choose a 4-hour, 6-hour, or 8-hour service and create a flexible route based on your interests and schedule. Popular stops include Big Buddha Temple, Chaweng Beach, Na Muang Waterfall, viewpoints, beaches, local restaurants, and shopping areas. This experience is ideal for cruise passengers, families…

4.3(123)Rated 4.3 out of 5 from 123 reviews8 hFree cancellation

From £29.76 per person

Eco Jungle Safari Tour around Koh Samui Including Lunch

This 6 hour tour by 4x4 Jeep is a must if you are on Koh Samui to see the highlights on this beautiful island. You will visit to Samuis' most famous landmarks, waterfalls at Namuang, and some really fun mountain off road driving with amazing viewpoints. Hotel transfer and lunch is included.

4.4(94)Rated 4.4 out of 5 from 94 reviews6 hFree cancellation

From £46.24 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 Jungle Safari Tour

Explore Koh Samui’s unique cultural and fantastic sites from the back of 4-wheel drive vehicle. You’ll be amazed by the rich forest of Koh Samui and its incredible natural resources. Visit some of the island’s iconic attractions including the Guan Yu Shrine, the Big Buddha, and more. Stop at rubber and coconut' plantations, see the local people show you how they do it. Enjoy Thai buffet lunch whi…

4.6(62)Rated 4.6 out of 5 from 62 reviews7 hFree cancellation

From £36.97 per person

Pig Island Experience By Speed Boat, Snorkeling, Kayaking Relaxing on the Beach

The experience was amazing the small islands south of Samui on board a speed boat. You'll have time snorkel at the best koh tan bay, relax on the beach at Koh Mudsum, feed the pigs on the island,highlight of the trip is playing with the cute pigs on secret Pig Beach and enjoy a delicious meal on koh mudsum beach . Both islands are no electricity or running water. They are a true paradise just a s…

3.9(96)Rated 3.9 out of 5 from 96 reviews6 hFree cancellation

From £37.31 per person

Koh Samui to Angthong National Marine Park Trip By Big Boat

Experience a spectacular day out in the crystal blue waters of the Gulf of Thailand in this guided day tour from Koh Samui. We depart by luxury big boat from the north coast of Koh Samui to one of the most spectacular marvels that Mother nature has blessed us with: Angthong National Marine Park. It is a paradise for kayaking, snorkeling, or for those who just enjoy the breathtaking scenery. Angth…

4.1(61)Rated 4.1 out of 5 from 61 reviews9 hFree cancellation

From £24.83 per person

Pig Island ,Snorkeling, Private Long Tail Boat (Local Thai Experience)

A half-day snorkeling tour from Koh Samui traveling by our Local longtail boat to a spectacular snorkel destination for snorkeling adventure over a pristine Marine Life taken care by the lovely crew. Stop at Koh Tan Bay , then head over to a white-sand beach for more relaxing on the Beach, this paradise Island is well known as "Pig Island: is located just off the coast of Koh Samui, this beautifu…

4.1(61)Rated 4.1 out of 5 from 61 reviews6 hFree cancellation

From £79.15 per person

Angthong National Marine Park Tour by Large Boat

Dreaming of a place where we can find a hidden natural treasure trove, elegant tropical delights and sparkling deep blue sea? Let's take your adventure to extraordinary activities. A leisurely nine-hour excursion for families and guests of all ages offers an unforgettable experience full of thrilling aquatic adventures. With our expertise and professional licensed tour guide team, you will have o…

3.8(46)Rated 3.8 out of 5 from 46 reviews9 hFree cancellation

From £29.46 per person

Koh Samui: Angthong National Marine Park 42-Island Speedboat Tour

The Ang Thong Islands in are a breathtaking paradise of 42 emerald-green islands scattered across the Gulf of Thailand. With their dramatic limestone cliffs, hidden lagoons, white sandy beaches, and crystal-clear waters, the scenery feels like something out of a dream. Lush jungles cover the islands, while viewpoints offer panoramic vistas that leave visitors in awe. Visitors can enjoy kayaking,…

4.7(21)Rated 4.7 out of 5 from 21 reviews8 hFree cancellation

From £47.27 per person

Koh Samui to Koh Phangan Island Full-Day Cruise with Sunset

Set sail on an extraordinary junk boat journey, a gateway to an idyllic day of relaxation and exploration. Picture yourself reclining on the deck, enveloped by the vast, glistening expanse of the sea. This full-day excursion unveils a world of pristine beaches, hidden coves, and vibrant coral reefs. At midday, you'll savor a delightful buffet lunch onboard, featuring 5 traditional Thai dishes tha…

4.8(17)Rated 4.8 out of 5 from 17 reviews8 hFree cancellation

From £81.41 per person

Private Longtail Boat to Koh Madsum (Pig Island) & Koh Tan

Escape the crowds and discover the hidden gems of Koh Madsum & Koh Tan on a private longtail boat tour. Swim in crystal-clear waters, snorkel amidst vibrant coral reefs, and relax on pristine beaches. This personalized experience is perfect for couples, families, or small groups seeking a tranquil escape in Samui. Highlights Explore Pig Island and its sun-kissed shores by longtail boat Discover p…

4.6(19)Rated 4.6 out of 5 from 19 reviews5 hFree cancellation

From £37.15 per person

Full-Day Trip to Koh Tao and Koh Nang Yuan from Koh Samui by Speedboat

Join this day trip to Koh Tao and Koh Nang Yuan from Koh Samui by speedboat. Enjoy a day away from hustle and bustle of the busy city and snorkel in the crystal clear waters. You will find many tropical marine life and beautiful coral reefs in these breathtaking islands. A buffet lunch and round-trip transfer are included in this package and please bring your camera and sunscreen before embark to…

3.5(50)Rated 3.5 out of 5 from 50 reviews9 hFree cancellation

From £46.36 per person

Koh Samui: Day Trip to Angthong National Marine Park by Big Boat

Angthong National Marine Park, the mesmerizing archipelago of 42 gorgeous islands, features magnificent limestone cliffs, mystery tropical forest on the islands buzzing with a rich wildlife, amazing white sandy beaches for sunbathing on the beach while loosen yourself and sink blissfully in the wonderful views around you, secluded caves known as “Bua Boke” and the pristine hidden lake called “The…

4.5(20)Rated 4.5 out of 5 from 20 reviews8 hFree cancellation

From £29.40 per person

Koh Samui: Angthong Marine Park Premium Catamaran Experience

Explore the breathtaking islands of Angthong Marine Park on a premium catamaran cruise from Koh Samui—now with an early departure to avoid the crowds and enjoy a more relaxed experience. Arrive at key locations ahead of the rush and benefit from more time at each stop. Travel in comfort on a stable twin-hull catamaran, offering a smoother ride than traditional speedboats. Relax on the spacious su…

4.8(13)Rated 4.8 out of 5 from 13 reviews7 hFree cancellation

From £65.58 per person

Koh Samui Half Day Island Guided Tour

Enjoy convenient hotel pickup and transportation in an air-conditioned minivan. Take a tour with other travelers. Meet a local guide and discover Koh Samui's highlights: Big Buddha Temple is a large statue of Lord Budha image and Plai Laem temple is a century old temple. Next, admire the spectacular panoramic views of Chaweng beach at the Laad Koh View Point before going to the Grandfather and Gr…

4.6(12)Rated 4.6 out of 5 from 12 reviews5 hFree cancellation

From £16.96 per person

Koh Samui: Full-Day Koh Samui 4x4 Jungle Adventure with Lunch

This tour program is about 8 hours ECO friendly tour by 4x4 Car is a must if you are on Koh Samui to see most popular highlights on the island. You will also visit to Samuis' most famous landmarks, Namuang waterfall, and some really fun mountain off road driving with amazing viewpoints. Hotel transfer and lunch is included.

4.4(8)Rated 4.4 out of 5 from 8 reviews8 hFree cancellation

From £35.73 per person

Army Jeep Jungle Safari and Elephant Freedom Rescue Centre Tour

Full-Day Army Jeep Mountain & Jungle Tour – Koh Samui 10:00 AM – 5:00 PM Hop into a rugged ex-Army Jeep and set off on an unforgettable journey through Koh Samui’s jungle and up to the island’s mountain peak. Ride in comfort under a shaded canopy with panoramic views all day long. Tour Highlights: Visit the famous Grandfather & Grandmother Rocks At the Elephant Freedom Rescue Centre (15 acres of…

4.6(7)Rated 4.6 out of 5 from 7 reviews7 hFree cancellation

From £44.10 per person

Koh Samui: Private Speedboat Koh Taen & Pig Island Snorkeling

Koh Tan & Koh Mudsum (Pig Island) Koh Tan and Koh Mudsum are two charming islands south of Koh Samui, known for their peaceful atmosphere and natural beauty. This tour is popular with day-trippers who want to relax on white sandy beaches, swim in clear waters, enjoy snorkeling, or simply unwind in a tropical setting. Travel by speedboat from Koh Samui to Koh Tan and Koh Mudsum. Enjoy swimming and…

4.3(7)Rated 4.3 out of 5 from 7 reviews6 hFree cancellation

From £293.99 per person

Angthong National Marine Park Trip + Kayaking By Big Boat From Koh Samui

• Explore the natural wonders that Koh Samui has to offer at Angthong National Marine Park by a big boat. • Visit Wua Ta Lap Island located above a clean white and soft sandy beach and climb up to a top viewpoint and walk to see a panoramic view of the surrounding 42 islands in the National Marine Park. • Visit Lotus Cave with beautiful stalagmite & stalactite formations and hop into the clear bl…

3.3(9)Rated 3.3 out of 5 from 9 reviews9 hFree cancellation

From £32.57 per person

Pig Island Tour by Teak Cruise with Snorkeling From Koh Samui

Discover a relaxed full-day island escape to the charming Pig Island and nearby Koh Tan, perfect for guests of all ages seeking the ideal balance of relaxation, underwater discovery, and authentic local experiences at an easygoing pace. Travel aboard your handcrafted teak cruise and enjoy a thoughtfully designed journey with spacious decks, tropical sea views, and attentive service throughout the…

5.0(3)Rated 5.0 out of 5 from 3 reviews7 hFree cancellation

From £22.61 per person

Private SpeedBoat Tour to Koh Madsum and Koh Tan

Escape the crowds and discover the hidden gems of Koh Madsum & Koh Tan on a private Speed boat tour. Swim in crystal-clear waters, snorkel amidst vibrant coral reefs, and relax on pristine beaches. This personalized experience is perfect for couples, families, or small groups seeking a tranquil escape in Samui. Highlights Explore Pig Island and its sun-kissed shores by Speed boat Discover pristin…

5.0(3)Rated 5.0 out of 5 from 3 reviews5 hFree cancellation

From £94.78 per person

Koh Samui Ang Thong Big Boat Snorkeling with Optional Kayaking

Embark on a full-day big boat cruise from Koh Samui to Ang Thong National Marine Park, a 42-island archipelago. Relax on the outdoor deck as limestone cliffs, hidden sea caves, and island views come into sight. At Ko Wua Ta Lap, swim in clear water, snorkel with marine life, relax on the beach, or explore Bua Bok Cave with stalactites and stalagmites. Hike to Pha Chan Charat Viewpoint for a wide…

4.7(3)Rated 4.7 out of 5 from 3 reviews9 hFree cancellation

From £29.63 per person

Koh Samui Snorkeling and Kayaking

Spend a day discovering Koh Samui’s finest snorkeling sites. Snorkel in the clear blue water and explore the world under sea! Enjoy sea kayaking in a beautiful scenery, swim and relax at the beach! A delicious lunch is also included!

3.4(5)Rated 3.4 out of 5 from 5 reviews4 hFree cancellation

From £48.03 per person