Koh Samui isn’t just about its lively beaches and lush jungle; it’s also a fantastic place to explore by boat. Whether you’re after a full-day adventure, a romantic sunset cruise, or snorkeling around vibrant reefs, the options are plentiful. We especially love the Angthong Marine Park excursions, which combine breathtaking scenery with activities like hiking, kayaking, and snorkeling. These trips are perfect for nature lovers who want more than just a sunbathing session—they offer real adventure and stunning viewpoints. The Sunset Dinner Cruise stands out for couples seeking a romantic evening with spectacular views, while the luxury yacht trips promise a more upscale, private experience.
If you’re wondering how to pick the right tour, don’t worry—we’ll help you navigate the options. From budget-friendly days on the water to private yacht charters, Koh Samui’s boat tours deliver memorable moments for every traveler. Read on for detailed descriptions of each top experience.
1. Samui: Angthong Marine Park Boat Tour w/ Transfer and Meals
Discover the stunning Angthong Marine Park on a full-day tour from Koh Samui aboard a spacious 3-deck boat. This tour includes a hike to Mae Koh’s viewpoint for sweeping views of the Emerald Lagoon, along with snorkeling in clear waters and relaxing on white-sand beaches. The adventure also offers an optional kayaking trip along the coast, making it a versatile experience. The boat provides a Thai buffet for lunch, and light breakfast and drinks keep you refreshed throughout the day.
What makes this tour special is the combination of scenic cruising, active pursuits like hiking and kayaking, and the positive reviews noting helpful staff and beautiful scenery. It’s perfect for active travelers who want a full day of exploration with plenty of comfort. The trip costs around $40 per person, offering excellent value for all the included activities and meals.
Bottom line: A well-rounded, full-day experience with memorable viewpoints and water activities, ideal for those who want adventure and comfort.
2. Koh Samui: Mu Ko Ang Thong Park Cruise with Kayaking Option
At number 2, this Mu Ko Ang Thong National Park cruise offers a great blend of land and sea activities, including a sea kayaking trip to Tum Rang Island and a hike to the “Blue Lagoon”. The tour also features a natural stone arch at Koh Sam Sao and a visit to Bua Boke Cave, providing plenty of opportunities to explore Thailand’s natural beauty.
This tour is prized for its variety of active options and the chance to visit the spectacular Blue Lagoon, which is often called the highlight. Customers praise the well-organized day, delicious meals, and helpful crew. The price is around $34, making it a budget-friendly choice for a full-day adventure.
Bottom line: Perfect for those who enjoy kayaking, hiking, and swimming, with a good mix of wildlife and scenic views.
3. Private Full-Day Red Dragon Yacht to Angthong National Marine Park
For a truly luxurious experience, the Red Dragon Yacht offers a private full-day cruise. Built from teak wood and equipped with a jacuzzi, sun deck, lounge, and dining area, this yacht provides a high-end way to explore the marine park.
This tour includes kayaking, snorkeling, and secluded lagoon visits. You’ll sail past the Five Islands, famous for bird’s nests, and explore dramatic limestone cliffs and caves. The personalized service, modern comforts, and the chance to arrive in style make this an excellent option for honeymooners or travelers celebrating a special occasion.
While the price is steep—around $2,344 for up to 10 people—the experience is tailored and private, with flexible activities and gourmet onboard dining. Reviews highlight the boat’s charm and the authentic Thai hospitality blended with European standards.
Bottom line: An exclusive, private boat experience suited for special occasions and travelers with a higher budget looking for personalized service.
4. Ang Thong National Marine Park Tour by Big Boat from Koh Samui
This big boat tour is ideal for larger groups or families wanting a straightforward, affordable day exploring over 42 islands. It offers snorkeling, kayaking, and hikes to viewpoints like Wua Talap. The trip includes a buffet lunch and snorkeling gear, making it a comprehensive all-in-one package.
What sets this tour apart is its value for money—at just about $34, it packs in activities and a full-day itinerary. Reviews mention the friendly staff and well-organized schedule, though some note the boat may be a bit outdated. It’s suited for travelers who prioritize cost-effectiveness and a full experience without the need for luxury touches.
Bottom line: Great for budget-conscious travelers who want to maximize their day at Angthong with activities and good food.
5. Sunset Dinner Cruise
Looking for romance? The Sunset Dinner Cruise delivers with a multi-course Thai dinner served on a wooden sailing yacht as the sun dips behind Koh Samui. The atmosphere is relaxed, with unobstructed sunset views and the chance to see dolphins.
Rated a perfect 5 stars for its romantic setting, reviews highlight the delicious food, friendly crew, and peaceful experience. The cruise duration is around three hours, making it perfect for a special evening without overcommitting. It’s suitable for couples or those celebrating a special occasion.
Bottom line: For a romantic, scenic evening, this cruise blends stunning sunset views with a flavorful dinner in style.
6. Koh Tao & Koh Nang Yuan Snorkeling Tour by Speed Boat from Samui
This speedboat tour whisks you away to Koh Tao and Koh Nang Yuan, famed for their clear waters and abundant marine life. Snorkeling at multiple spots and climbing the viewpoint on Koh Nang Yuan make this a top choice for underwater explorers. The Thai buffet lunch overlooks the beach, adding to the experience.
The tour is popular because it explores a larger area than standard trips, with the fast boat making it efficient and fun. Guests mention the beautiful underwater world and the spectacular views from the island top. The price is around $61.52, reflecting both the speed and variety of activities.
Bottom line: An excellent pick for snorkelers and adventure seekers wanting quick access to Koh Tao’s best spots.
7. Koh Phangan Brunch and Snorkeling Cruise – Departure from Koh Samui
This full-day cruise takes you to Koh Phangan with a brunch buffet onboard, including a local barbecue. The boat is a traditional yacht, and after enjoying the sea views and a relaxing sail, you’ll visit hidden beaches and snorkel in clear waters.
Rated 4.5 stars, travelers appreciate the well-organized itinerary, excellent food, and friendly crew. The cruise offers multiple stops, perfect for those who want a balanced mix of relaxation and activity. The price is about $105, representing a good value for the long day out.
Bottom line: A relaxing yet active day on the water with great food and scenic stops, perfect for those wanting a combination of calm and adventure.
8. Semi-Private Koh Samui Island for Cruise Ship Visitors aboard air-conditioned Minivan
For travelers arriving via cruise, this semi-private tour offers a small group experience with an air-conditioned minivan. It visits popular sights like Hin Ta & Hin Yai Rocks, the Guan Yu Shrine, and Na Muang Waterfalls. The personalized approach helps avoid crowds and allows for more in-depth visits.
Rated 5 stars, reviews praise the knowledgeable guide and flexible itinerary. It includes buffet lunch and is suited for those who prefer a more intimate, less rushed experience. The tour costs around $501.99 for up to 8 people, offering personalized service.
Bottom line: Ideal for cruise passengers wanting a tailored, comfortable tour with local insights.
9. The Red Baron Luxury Yacht Cruise from Koh Samui with Return Transfer
If you want luxury and style, this Red Baron Yacht cruise shines. The twin-masted Thai sailing junk offers sunbathing, snorkeling, and onboard dining. You’ll cruise past well-known beaches like Lipa Noi and secret coves, all while enjoying breakfast and a gourmet buffet lunch.
Rated 5 stars, this experience is perfect for those celebrating or seeking comfort. The stunning sunset views and the classic boat design add to the appeal. The tour runs about seven hours and includes return transfers.
Bottom line: For a refined, relaxing day at sea with top-notch service and beautiful scenery, this yacht cruise is hard to beat.
10. Samui Island Tour to Angthong Marine Park by Big Boat with Kayaking
Another full-day Angthong Marine Park trip, this tour emphasizes kayaking and snorkeling. It begins with a pickup from your hotel and includes a light breakfast and Thai lunch. The highlight is the kayaking around limestone cliffs and hiking to viewpoints like Mae Koh.
Reviews mention the smooth organization, good food, and enjoyable activities. While some note the sea can be rough, most find the experience worth every effort. The price hovers around $41, making it a solid choice for active travelers.
Bottom line: Perfect for those who want a combination of kayaking, hiking, and snorkeling in a full-day adventure.
11. Koh Samui to Koh Phangan Island Full-Day Cruise with Sunset
This full-day cruise takes you from Koh Samui to Koh Phangan on a traditional junk boat, with several stops for snorkeling, beach exploration, and relaxing. All meals are included, and the sunset on the way back makes this trip especially memorable.
Rated 5 stars, travelers love the relaxed pace, delicious food, and spectacular sunset views. It’s a great choice for couples or anyone wanting a peaceful day on the water with plenty of swimming and sunbathing options. Cost is around $106.98, reflecting the full-day luxury.
Bottom line: An excellent, scenic way to combine island hopping with a romantic sunset.
12. Explore Angthong National Marine Park by Big Boat from Koh Samui
This multi-activity tour includes snorkeling, kayaking, and hiking in Angthong. It starts with a early morning transfer and features breakfast and buffet lunch. You’ll visit Koh Mae Ko’s Emerald Lake, Longtail boat rides, and Bua Boke Cave.
Reviews praise the smooth logistics and beautiful scenery, though some mention the boat’s age. The price, about $32, offers good value for the variety of activities packed into the day.
Bottom line: Best suited for active travelers eager to combine water sports and scenic exploration.
13. Koh Samui to Angthong National Marine Park Trip By Big Boat
This full-day big boat tour emphasizes snorkeling, kayaking, and viewpoints. It includes a long-tail boat ride to secluded lagoons and caves. The trip offers breakfast and lunch to keep you fueled through the day.
Rated 4 stars, reviews note well-organized activities and nice scenery, though some find the boat a bit dated. Costing about $40, it provides an affordable approach to exploring Angthong’s beauty in comfort.
Bottom line: A solid choice for those wanting a balanced mix of adventure and relaxation with good value.
14. Angthong National Marine Park Tour by Large Boat
For families or large groups, this nine-hour tour offers snorkeling, kayaking, and hiking around the 42 islands. The boat features three spacious decks and includes breakfast and buffet lunch.
Guests mention the friendly staff and interesting activities, though some describe the boat as outdated. The price is about $29, making it one of the most budget-friendly options.
Bottom line: Great for budget-minded travelers who prioritize activities and a full day of fun.
15. Koh Tao and Nangyuan Snorkeling Tour with Lunch by Catamaran
This catamaran tour offers a 10-hour day exploring Koh Tao and Nangyuan Island. The snorkeling gear is provided and the lunch includes fresh seafood. You get to relax on white sandy beaches and see coral reefs bursting with marine life.
Rated 5 stars, travelers love the comfortable sailing, insider knowledge from local guides, and the stunning scenery. It’s ideal for those wanting a luxurious day with excellent snorkeling and a relaxed pace.
Bottom line: Perfect for snorkelers seeking comfort, scenic beauty, and a full-day escape with a personal touch.
$78.61 per person
How to Choose the Right Boat Tour in Koh Samui
When selecting your ideal boat experience, consider your budget, fitness level, and interests. Want active adventures? The Angthong Marine Park tours with kayaking and hiking might suit you best. Looking for romance? The Sunset Dinner Cruise offers an unforgettable evening. Traveling with family? The big boat tours provide ample space and safety. For those craving privacy and luxury, the private yacht options are unmatched.
Book early, especially for popular experiences like the luxury yacht trips or full-day marine park tours, to ensure availability. Check the duration and activities to match your energy and interest levels—some tours involve steep hikes or rough seas, so pack accordingly.
In summary, Koh Samui offers a remarkable range of boat tours—from budget-friendly day trips to private luxury charters. For a full immersion in nature, the Angthong Marine Park tours are hard to beat, with options for kayaking, hiking, and snorkeling. If romance or relaxation is your goal, the Sunset Dinner Cruise provides an elegant evening on the water. For those seeking a more personalized adventure, the private yacht options deliver exclusivity and comfort.
No matter your style, these trips promise unforgettable moments at sea. Remember to book early and choose a tour that fits your interests, fitness level, and budget—then sit back and enjoy the view.