Surat Thani is a surprising haven for snorkeling enthusiasts. Unlike some Thai destinations that focus solely on beaches or temples, Surat Thani offers a mix of quiet islands, unique wildlife encounters, and vibrant coral reefs. For instance, some tours take you to Pig Island (Koh Madsum), where playful pigs roam on white sands; others explore Koh Tao’s renowned underwater spots, perfect for seeing colorful fish and coral formations. Our favorite is the private long-tail boat trip to Koh Madsum because it avoids crowds and offers a more personalized experience, especially with interaction with the island’s famous pigs.
The region’s varied tours cater to different interests—whether you want to see rare pink dolphins, snorkel among lively reefs, or enjoy a sunset cruise. These experiences show off Surat Thani’s charm: unspoiled islands, marine diversity, and relaxed pace. If you’re seeking an authentic, less touristy underwater adventure, this list will help you choose the best trip for your style and budget.
Quick Overview of The Best Snorkeling Experiences in Surat Thani
Below, you’ll find a range of options from private, tailored tours to group adventures, each with its own special appeal. Some focus on unique wildlife sightings like pink dolphins or pigs, while others showcase colorful coral reefs and spectacular views. Check out the options:
- A private Thai experience with Pig Island snorkeling and long-tail boat
- An all-around Koh Tao sunset snorkeling adventure with Big Boat
- A Pink Dolphin and Pig Island combo tour from Koh Samui with speedboat
- A flexible, active day of snorkeling, kayaking, and pig-spotting with speed boat
1. Pig Island ,Snorkeling, Private Long Tail Boat (Local Thai Experience)
For around $110.60 per group, this private half-day tour offers an intimate way to explore Koh Samui’s waters. It’s perfect if you value personal service and want to steer clear of the crowds. The trip starts from Thong Krut Pier and includes a traditional long-tail boat, which adds a genuine Thai touch to your day. Your boat first takes you to Koh Tan, where coral reefs teem with fish and colorful marine life. Later, you’ll head to Pig Island (Koh Madsum)—a small, white-sand beach famous for its rescued pigs and relaxed vibe.
What makes this tour stand out is the chance to interact with pigs on Koh Madsum, a rarity in the region. The snorkel gear provided makes exploring the underwater reef accessible and enjoyable. Many reviews praise the friendly guides and the smooth, punctual logistics. One traveler noted, “We had a really good time. The long boat was amazing. Thailand people are lovely. We really enjoyed ourselves.” The private boat means you can customize your pace and enjoy a more relaxed experience. The downside? You’ll need a bit of mobility for getting on and off the boat, and it’s best suited for those wanting a more personal, less crowded outing.
Bottom Line: Ideal for travelers craving a quiet, customized day with marine exploration and pig interactions—worth the extra cost for a more exclusive experience.
2. Koh Tao 5 Best Snorkeling Sunset Tour by Big Boat
At number 2, for just $28.76 per person, this seven-hour sunset snorkeling tour offers a comprehensive look at Koh Tao’s best underwater spots. It’s suitable for those who want a full day of varied scenery and marine encounters. The tour kicks off at Koh Nang Yuan, a famous trio of islands connected by sandbars. From the panoramic viewpoint, you get stunning views, and the snorkel at the Japanese Gardens immerses you in calm, clear waters filled with fish.
The tour continues to Mango Bay, Hin Wong Bay, and Aow Leuk Bay—each with its distinct charm. Highlights include swimming among yellowtail barracuda, spotting seahorses, and exploring reefs with colorful fish and coral formations. The crew plays lively music and keeps the atmosphere fun, according to reviews. One traveler said: “It was fantastic. The crew was very attentive and fun, showing us marine species and the viewpoint.”
This trip is perfect for travelers wanting a comprehensive, relaxed day with plenty of snorkeling and beautiful scenery. It does not include long waits or crowded spots, offering an authentic experience. The only consideration is that it’s a group tour, so if you prefer privacy, this might not be your top choice.
Bottom Line: Great for budget-conscious snorkelers who want a full day exploring Koh Tao’s top underwater sites with knowledgeable guides and scenic viewpoints.
$28.76 per person
3. Pink Dolphin and Pig Island Snorkeling Tour from Koh Samui
For $52.29 per person, this full-day tour combines the excitement of pink dolphin sightings with snorkeling and pig interactions. It’s suited for travelers who love wildlife and want a bit of everything—marine life, playful dolphins, and friendly pigs. The adventure begins with a pickup from your hotel and heads to Khanom, known for its rare pink dolphins, which you can observe in their natural habitat—an unforgettable moment.
After dolphin watching, the tour moves to Koh Tan for snorkeling amid healthy coral reefs, full of tropical fish. The highlight for many is Koh Madsum (Pig Island), where pigs roam freely on powdery beaches. The reviews mention “Nice guides, the dolphins saw. It’s really like the prospectus,” highlighting the wildlife encounters as a key feature. Guests also appreciate the relaxing pace and the variety packed into the day.
This tour is perfect for those wanting a balance of wildlife watching and snorkeling without sacrificing comfort or adventure. A potential downside is the early start and the full schedule, which might be tiring for some.
Bottom Line: Excellent for wildlife lovers and families who want a fun, active day with dolphins, pigs, and underwater exploration.
4. Pig Island & Koh Tan Tour by Speed Boat (Snorkeling & Kayaking)
Finally, the group tour at $53.34 per person offers a lively, active day exploring Koh Samui’s southern waters. It’s ideal for travelers who want to combine snorkeling, kayaking, and animal encounters all in one trip. Departing in a fast speed boat, the tour maximizes your time on the water, making it perfect if your schedule is tight.
The itinerary covers Koh Madsum for pig interactions, snorkeling in coral-rich waters, and kayaking around the islands. The reviews note that the trip is well-organized and relaxing, with many mentioning that the group size makes for a more social experience. One reviewer said, “Trip was very relaxing; we spent time with the pigs, snorkeled, and kayaked—all in one day.” The included lunch keeps everyone energized for the activities.
This tour suits active travelers who enjoy a dynamic pace and want to experience multiple activities in one day, all at a good value. It may be less suitable for those seeking a quieter, more private trip or with mobility concerns due to the boat’s quick transfers.
Bottom Line: Perfect for those who want to pack in snorkeling, kayaking, and pig encounters into one energetic day.
How to Choose Your Snorkeling Adventure in Surat Thani
When selecting your snorkeling tour, consider your budget, time availability, and interests. If you prefer a private, personalized trip, the Pig Island, Snorkeling, Private Long Tail Boat offers intimacy and flexibility. For those seeking a full day of varied underwater sights, the Koh Tao Sunset Tour is an excellent choice. Wildlife enthusiasts will appreciate the Pink Dolphin and Pig Island tour, while active travelers who want a fast-paced experience may prefer the Speed Boat Pig and Koh Tan tour.
Booking early is wise, especially during peak season, to secure your preferred date and tour. Consider your physical comfort—if getting in and out of boats is a concern, private tours tend to be easier on mobility. Lastly, think about the type of marine life or wildlife you want to see; some tours focus more on coral reefs, others on wildlife encounters like dolphins or pigs.
Final Thoughts
Surat Thani offers a surprising variety of snorkeling options that can suit all types of travelers—from those wanting a quiet, private experience to adventurers seeking active, wildlife-rich trips. For a truly unique experience, the private long-tail boat to Pig Island combines cultural charm with marine exploration, while the Koh Tao sunset tour promises a scenic, relaxed day on the water. Wildlife lovers will enjoy the dolphin and pig encounters, especially on the full-day tours.
Don’t wait too long to book—many tours fill up during high season. With these choices, you’ll find a snorkeling experience that’s not just about fish but about making memories in Thailand’s incredible waters.