Which Koh Samui Snorkeling Experiences To Choose? Our Best 15 Picks

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The 15 Best Snorkeling Experiences in Koh Samui

Koh Samui isn’t just about palm-fringed beaches and lively nightlife; it’s also a fantastic spot for snorkeling—if you know where to look. Crystal-clear waters, coral reefs teeming with tropical fish, and nearby islands make this part of Thailand a true undersea playground. Among the options, the Ko Samui: Pig Island Snorkeling and Koh Tan Speedboat Tour stands out for its inclusive atmosphere and well-organized day, making it a top choice for families and first-timers alike. If you prefer a more relaxed, private vibe with insider tips, the Snorkeling & Island Hopping tour offers that luxury feel with snacks and drinks onboard. Whether you want to feed pigs or explore remote reefs, Koh Samui’s snorkeling options won’t disappoint.

Quick Overview

Our list features a mix of half-day excursions, full-day adventures, and even jet ski safaris—each with a unique twist. Some tours focus on island-hopping with stops at Koh Tan and Koh Madsum, while others emphasize marine parks like Angthong or Koh Tao. For a family-friendly experience, the Pig Island Snorkeling and Koh Tan Speedboat Tour blends simplicity with fun, while the Snorkeling & Island Hopping tour offers a touch of luxury. For the thrill-seekers, the Jet Ski Safari combines fast-paced fun with underwater exploration. Check out each detailed tour below to find your perfect match.

1. Ko Samui: Pig Island Snorkeling and Koh Tan Speedboat Tour

This joint snorkeling tour to Pig Island, Koh Mudsum, and Koh Tan is a crowd-pleaser and great for those who want lots of activities packed into a half-day. For only $48 per person, you get snorkeling, kayaking, a tasty Thai lunch, and transfers, all in a middle-sized group. The tour operates mainly for hotel guests, which means fewer crowds and more personalized service. Reviewers consistently praise the friendly staff and the ample snorkeling time, with 45 minutes to an hour in the water, plus relaxing hours on Pig Island. The highlight for many is feeding the pigs and exploring the calm, shallow waters teeming with tropical fish. This tour offers excellent value, especially for families or first-time snorkelers.
Bottom Line: Perfect for those seeking a balanced mix of land and sea, with a friendly vibe and budget-friendly price.

2. Pig Island Tour by Speedboat with Snorkeling

For around $57, this all-inclusive trip takes you across Koh Madsum—better known as Pig Island—to meet its adorable residents. The tour includes time for photos, feeding pigs, and relaxing on the sandy beach, plus snorkeling at Koh Tan, known for its coral reefs and tropical fish. The itinerary is flexible, with lunch included at a beachside restaurant, and the guide offers helpful tips to enhance your experience. Reviewers appreciate the smooth organization and the ample time on each island, especially the 1 hour 30 minutes on Pig Island, which is enough to enjoy the pigs without feeling rushed. The snorkel spots are rich with parrotfish and coral, making it a good choice for families and couples alike.
Bottom Line: This tour balances animal encounters with underwater fun, offering a relaxed but well-organized day.

3. 2.5 hours Pig Island-Virgin Islands & Snorkeling Jet Ski Safari

If you’re after adrenaline and fun on the water, this jet ski safari is a unique pick at $215.62 per group. It’s a short, 2.5-hour adventure using brand new Seadoo jet skis designed for stability and ease of use, even if you’ve never ridden one before. The tour includes a safety briefing, a cruise past the Virgin Islands, and stops at Koh Tan for snorkeling, plus visits to Koh Madsum for swimming and feeding pigs. The views from the water are spectacular, and the chance to explore secluded spots makes this ideal for families, young couples, or anyone craving action.
Guests love how easy it is to operate the jet skis and the scenic views they provide.
Bottom Line: Perfect for thrill-seekers wanting a quick, fun-filled day with plenty of photo opportunities.

4. Snorkeling & Island Hopping

For $528.82, this luxury tour is designed for those who want a more private, relaxed experience. Traveling on a well-equipped speedboat, you enjoy snorkeling, beach visits, and a buffet lunch overlooking the water. The trip includes expert tips on the best snorkeling spots, and the boat is stocked with alcoholic drinks and snacks, perfect for relaxing after underwater exploration. It’s ideal for small groups, families, or couples looking for comfort and exclusivity without sacrificing quality. Guests highlight the personalized service and the choice of secluded beaches for swimming and snorkeling.
Bottom Line: Best suited for travelers seeking a premium, stress-free experience with plenty of extras.

5. Koh Tao & Koh Nang Yuan Snorkeling Tour by Speed Boat from Samui

This 9-hour trip at $61.52 explores Koh Tao and Koh Nang Yuan, two of Thailand’s most iconic islands. The tour features snorkeling in vibrant coral reefs, a scenic climb to a viewpoint on Koh Nang Yuan, and a buffet lunch overlooking the sea. The speedboat allows you to cover more ground than a traditional boat, maximizing your time in the water and on land. Reviewers love the variety of snorkeling spots—including parrotfish and coral—and the efficient organization ensures you get the most out of your day. It’s great for adventure seekers who want to see more islands in one trip.
Bottom Line: Combines underwater exploration with stunning views, suited for those who want a full-day adventure.

6. Snorkeling and Kayaking at Angthong Marine Park

This full-day tour offers snorkeling, kayaking, hiking, and island exploring for about $62 per person. The trip includes hotel transfers, a buffet lunch, and the chance to visit untouched islands and viewpoints in Angthong Marine Park. Reviewers mention the well-organized itinerary and the beautiful underwater world, with secluded lagoons and rugged islands to discover. It’s suited for active travelers who want a variety of experiences in one trip, though some note that crowds can be an issue at popular snorkeling spots.
Bottom Line: Ideal for adventurous travelers who want a comprehensive day of island activities with professional logistics.

7. Koh Phangan Brunch and Snorkeling Cruise – Departure from Koh Samui

For a longer, relaxed day, this 8-hour cruise at $105.83 takes you to Koh Phangan with snorkeling, a brunch buffet, and visits to quiet beaches. You’ll travel on the spacious yacht Red Baron, with soft drinks and onboard barbecue. Reviewers note the great food, friendly crew, and peaceful beaches, perfect for unwinding. This tour is best suited for travelers who want a combination of snorkeling and leisure in a less crowded setting.
Bottom Line: A good choice for those seeking an all-day escape with excellent food and some snorkeling.

8. Koh Tao and Nangyuan Snorkeling Tour with Lunch by Catamaran

This 10-hour trip at $78.61 offers a comfortable catamaran ride to Koh Tao and Nangyuan. It includes snorkeling at top spots like Mango Bay, lunch, and the opportunity to see panoramic views from Nangyuan’s viewpoint. Reviewers praise the smooth sailing and the personalized experience, with safety and comfort at the forefront. This tour suits luxury travelers who want a relaxed, well-organized day with all the extras.
Bottom Line: Focused on comfort and scenic sights, ideal for a more indulgent snorkel day.

9. Pink Dolphin and Snorkeling Full Day Experience

For $67.52, this full-day tour combines pink dolphin sightings, snorkeling at Koh Tan, and visits to Koh Mudsum. The pink dolphins are the star of the show, and the tour includes photo opportunities and snorkel stops with colorful reefs. It’s a unique experience that appeals to animal lovers and families. Reviewers say it’s a fascinating and fun day, though some note that dolphin sightings depend on luck. It’s suitable for those wanting a combination of wildlife watching and water activities.
Bottom Line: Unusual and engaging, best for wildlife enthusiasts.

10. Koh Samui Pig Island Tour by Speedboat with Snorkeling

This 5-hour tour at $60.72 is perfect if you want a quick, fun-filled day. It starts with hotel pickup, then heads to Koh Madsum for swimming, snorkeling, and pig encounters. Afterward, you’ll explore coral reefs around Koh Tan. Reviewers love the smooth logistics and the balance of animal interaction and underwater fun. The short duration makes it ideal for travelers with limited time or those who want a taste of everything without a full day commitment.
Bottom Line: Compact, lively, and well-organized—great for a quick adventure.

11. Pig Island Snorkeling & Sightseeing Tour By Speedboat From Koh Samui

This 6–7 hour trip at $51.26 offers a quick, more casual day with snorkeling, pig feeding, and a Thai lunch. It’s perfect for animal lovers who want to combine marine life with animal encounters. Reviewers note that the coral reefs are beautiful, and the snorkeling gear is provided. It’s best suited for families and casual explorers who prioritize seeing the pigs and coral reefs with minimal fuss.
Bottom Line: Easy, relaxing, and budget-friendly—ideal for those wanting a straightforward day out.

12. Koh Tao & Koh Nangyuan by Speed Boat (Snorkeling trip from Koh Samui)

This 8-hour trip at $62.96 takes you to multiple snorkeling spots around Koh Tao and Nangyuan. The speedboat allows access to more secluded reefs, and the tour includes a buffet lunch. Reviewers appreciate the relaxed pace and the vast marine life seen at each stop. It’s best for adventurers who want to explore several reefs and enjoy panoramic views from Nangyuan’s hilltop.
Bottom Line: Great for snorkelers who want a comprehensive, flexible day.

13. From Samui: Koh Tao and Nangyuan Snorkeling Tour Day Trip

This full-day trip at $71 offers speedboat access to Koh Tao and Nangyuan. It’s a perfect choice for those wanting multiple snorkeling stops and scenic sightseeing, including secluded beaches and viewpoints. Although reviews are limited, the focus on efficient island-hopping makes it ideal for active travelers wanting to maximize their time in the water.
Bottom Line: An efficient, all-in-one option for snorkelers eager to see many spots.

14. Koh Tao and Koh Nang Yuan Snorkeling Trip By Speedboat From Koh Samui

This 7–8 hour tour at $87.63 emphasizes full-day exploration of Koh Tao and Nangyuan, including buffet lunch and snorkeling at top reefs. Reviewers highlight the comfortable boat ride and spectacular marine life, making it suitable for serious snorkelers and families who want to see as much as possible. The photo stops at Nangyuan’s viewpoints add a memorable touch.
Bottom Line: A comprehensive, well-organized day for those willing to spend a bit more.

15. Snorkeling & Kayaking Trip at Koh Madsum and Koh Tan By Speedboat From Koh Samui

This group tour at $58.52 lasts about 5–6 hours and combines snorkeling and kayaking at Koh Madsum and Koh Tan. It includes hotel transfers, a speedboat ride, and lunch on the beach. Reviewers especially like the organized nature of the trip and the chance to explore multiple islands in one day. It’s perfect for travelers on a budget who want a variety of water activities without a hassle.
Bottom Line: A solid, value-packed option for active travelers wanting multiple water pursuits.

How to Choose the Best Snorkeling Experience in Koh Samui

Picking the right tour depends on your budget, time, and interests. If you prefer a shorter trip with kids or beginners, the Pig Island Snorkeling and Koh Tan Speedboat Tour offers good value with plenty of snorkeling and pig encounters. For those seeking more luxury and comfort, the Snorkeling & Island Hopping tour provides a private, well-equipped experience.

Adventurers and wildlife lovers might prefer the Pink Dolphin Tour with its unique dolphin sightings, while longer-day explorers will enjoy the Koh Tao & Nangyuan tours, which combine scenic views and multiple snorkeling spots.

For budget-conscious travelers, the Snorkeling & Kayaking Trip at Koh Madsum and Koh Tan offers great water activities at a lower cost, while thrill-seekers will find the Jet Ski Safari the most fun and exhilarating.

Final Thoughts

Koh Samui has a diverse range of snorkeling experiences that cater to different tastes and budgets. Whether you’re after animal encounters, scenic views, or pure underwater exploration, there’s a tour that fits the bill. The early booking of popular tours is advised, especially during peak season. Remember, the key is to match your interests and pace with the tour that suits you best. With such a rich selection, you’ll be sure to find a memorable underwater adventure—so start planning, pack your swimsuit, and book early to secure your spot.