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Explore Koh Tao & Koh Nang Yuan with this 9-hour speedboat snorkel tour from Koh Samui. Discover vibrant reefs, scenic viewpoints, and delicious Thai cuisine.

If you’re dreaming of turquoise waters, colorful marine life, and island vistas that make your jaw drop, then this Koh Tao and Koh Nang Yuan snorkeling tour from Koh Samui might just be what you’re looking for. Promising a full day of exploration, vibrant snorkeling spots, and scenic hikes, this tour offers a great way to see some of Thailand’s most iconic islands.
What caught our eye? The ability to cover multiple sites in one day, thanks to the speedboat – speeding past the usual crowds and reaching hidden gems quickly. Plus, the inclusion of a Thai buffet lunch overlooking the beach sounds like the perfect way to refuel after hours on the water.
One thing to keep in mind: the tour involves multiple stops, some with additional fees like the entrance to Nang Yuan Island, which could add to your overall cost. This trip is well-suited for travelers who love water-based adventures, stunning views, and don’t mind sharing the boat with up to 40 others.

For underwater exploration, these Koh Samui snorkeling spots offer different experiences

The day kicks off early, with a pickup from your Koh Samui accommodation—most travelers find this convenient and stress-free. The check-in begins around 7:45 am at the pier, where you’ll enjoy a light breakfast, including snacks and refreshments, while getting tour details from the helpful staff. The early start is designed to make the most of the daylight hours, especially since you’ll be out for about nine hours.
The tour officially begins with a 30-minute stop at Bo Phut Beach, where you can get a quick orientation and enjoy some light snacks. This isn’t just a waiting period; it’s an opportunity to soak in the morning calm of Koh Samui’s northern coast before zipping off to the islands.
Next, you’ll hop onto your speedboat heading to Koh Nang Yuan, a strikingly beautiful private island linked by sandbars. Here, you’ll snorkel in some of the clearest waters, filled with an array of colorful tropical fish and coral. Many reviewers highlight the vibrancy of the reefs, although some note that coral health varies, with some commenting on its decline due to environmental pressures. Still, the snorkeling experience remains impressive, with chances to see sea turtles, schools of fish, and vibrant sponges.
A key highlight is the opportunity to climb up to the viewpoint on Koh Nang Yuan. The steep hike rewards you with a panoramic shot of the islands’ unique formation—an Instagram-worthy moment that most find worthwhile despite the lineups and additional entrance fee of 250 baht. One reviewer mentioned that the climb was long and crowded, so don’t expect solitude at the summit.
More ways to experience Koh Samui from the water include these boat tours
After snorkeling and sightseeing, you’ll land on Koh Tao for a generous Thai-style buffet lunch at a beachfront restaurant. The meal is described as tasty, with many travelers appreciating the opportunity to enjoy authentic flavors with a view. The meal costs are not included, but the buffet offers a good value considering the setting and variety.
Post-lunch, the group explores different bays around Koh Tao, favoring quieter spots to snorkel and swim. The relaxed pace allows you to soak in the scenery and take a break from the boat’s motion. Reviewers often mention the friendliness of the staff here, who help with gear and tips for the best snorkeling.
The afternoon continues with stops at Hin Wong Bay and Mango Bay, where the marine life and coral variety shine. Hin Wong Bay is often praised for its abundance of fishes, including Nemos and Indian species. Mango Bay is known for its staghorn corals and sea anemones, offering more vibrant underwater scenes. Some reviews note that in certain seasons, Hin Wong Bay might be skipped, but most guests get to enjoy these splendid underwater environments.
By mid-afternoon, the boat heads back to Koh Samui, arriving around 4:00 pm. The journey back can sometimes be bumpy, especially if the waves are high—as one reviewer mentioned, the ride was more turbulent than expected. However, most agree that the overall experience, including the marine encounters and scenic views, still made it worthwhile.
This tour hits many of the right notes for those seeking a well-organized, full-day aquatic adventure in Thailand. The speedboat allows for rapid access to multiple sites, offering more ground coverage than a traditional catamaran. The expert guides and crew are frequently praised for their helpfulness and local knowledge, which enhances the experience.
The meals and included amenities like snorkeling equipment and insurance make it a great value at just over $60. While there are some extra costs—like the entrance fee to Nang Yuan—most guests find the overall package reasonable given the scenery and activities.
The beach lunch is a highlight for many, providing a chance to relax and sample authentic Thai cuisine with ocean views. The stops at vibrant coral reefs, alongside the chance to see marine life and panoramic viewpoints, cater perfectly to travelers wanting both adventure and relaxation.

While this tour offers a lot, it’s worth noting some drawbacks mentioned by travelers. Seasickness was a concern for some, especially during the return trip when the boat was bouncing on rough waves. If you’re prone to motion sickness, packing appropriate medication or choosing a calm day might be wise.
The additional entrance fee of 250 baht at Nang Yuan can come as a surprise if you’re not prepared, so factor that into your budget. The lunch spot’s cleanliness and quality received mixed reviews, so if food standards are a priority, you might want to plan for extra snacks.
Finally, the maximum group size of 40 means it’s a fairly social experience—perfect if you enjoy meeting fellow travelers, but potentially crowded if you prefer intimate exchanges.

This Koh Tao & Koh Nang Yuan snorkeling tour by speedboat offers an incredible value for travelers eager to explore multiple islands in one day. It combines scenic views, vibrant underwater life, authentic Thai cuisine, and professional guides into an overall seamless experience.
It’s perfect for adventure seekers and beach lovers who want to pack their day with snorkeling, hiking, and relaxing at the beach. If you’re comfortable sharing a boat with others and don’t mind a potentially bumpy ride, this tour promises a memorable slice of Thailand’s island paradise.
However, those with seasickness or high expectations for pristine coral might want to prepare accordingly or consider alternative options. The extra costs for island entry fees and meals are transparent, and the overall experience is largely driven by the quality of guides and staff, who are consistently praised.
With well-organized logistics and a variety of activities, this tour is a fantastic way to see Koh Tao and Koh Nang Yuan without the hassle of planning every detail yourself. It’s a solid choice for travelers who prioritize value, a mix of land and sea activities, and authentic Thai hospitality.

How early do I need to wake up for this tour?
Most pickups start around 7:45 am, so expect an early start to maximize your day.
Is hotel pickup included?
Yes, the tour offers round-trip transfers in air-conditioned vehicles from your Koh Samui accommodation—very convenient.
What is the duration of the tour?
The entire experience lasts approximately 9 hours, from pickup to return.
Are snorkeling masks and equipment provided?
Yes, snorkeling gear and life jackets are included, so you don’t need to bring your own unless you prefer specific equipment.
Is there any extra fee I should be aware of?
Yes, entrance to Koh Nang Yuan costs 250 baht per adult (125 baht for children). This fee is paid on-site and is not included in the tour price.
What food is included?
A Thai buffet lunch is provided at a beachside restaurant, with refreshments and water onboard.
Can I swim at all stops?
Absolutely. You’re encouraged to swim, snorkel, and relax at all the beaches and snorkeling spots.
Is this tour suitable for children?
Most reviews suggest it’s family-friendly, but the boat ride and hiking to viewpoints might be more suitable for older kids.
What about seasickness?
Some guests experienced seasickness during the return trip. If you’re prone, consider taking motion sickness tablets beforehand.
How many people typically join this tour?
The tour accommodates up to 40 travelers, making it lively but still manageable.
This detailed review aims to give you everything you need to decide if this tour fits your travel style. With its stunning scenery, engaging activities, and friendly guides, it’s a fantastic way to explore Koh Tao and Koh Nang Yuan in one memorable day.