REVIEW · KOH SAMUI
Private Half-Day Red Dragon Yacht for Snorkeling Koh Tan & Visit Pig Island
The most unusual part of this Koh Samui outing is the boat itself: a 75-foot teak sailing junk called the Red Dragon, with room to stretch out instead of the usual cramped speedboat seats. You sail to Koh Taen for reef snorkeling, then take a dinghy or kayak to Koh Mudsum, better known as Pig Island.
I like the generous onboard setup, especially the sun deck, dining lounge, jacuzzi, sound system, and floating lounge above the reef. I also like the private format: your group gets the boat, guide, lunch, and hotel transport without sharing the day with strangers. The main consideration is price. At $1,448.92 for up to 10 people, this makes much more sense for a full group than for a small party, and more than 10 people cost extra.
Key points to know before you book

- The Red Dragon is the main attraction: This traditional teak junk offers a slower, more comfortable way to reach the islands, with a spacious deck and onboard dining.
- Koh Taen is the best water stop: Snorkel for about an hour, with visibility ranging from 1 to 10 meters and fewer boats than the better-known Koh Tao sites.
- Pig Island is playful, not polished: You can feed and watch free-roaming pigs, walk the beach, or simply sunbathe.
- The private price favors larger groups: The listed rate covers up to 10 people, with extra charges for adults and children above that number, up to the stated maximum of 15.
- Non-swimmers can still participate: Life vests and a netted raft are available, and you can relax in the floating lounge or onboard jacuzzi.
- Weather can change the second stop: Instead of Pig Island, the crew may choose Koh Taen’s secret beach, with optional guided mangrove kayaking at an added cost.
Why the Red Dragon changes the feel of the day

Many island trips from Koh Samui are built around getting from one beach to another as quickly as possible. This one puts the boat at the center of the experience. The Red Dragon is a traditional 23-meter sailing junk built from teak, and its size gives you room to move, sit, eat, and rest between stops.
You have a sun deck, master cabin, dining lounge, hot tub, and sound system. There is also a floating lounge above the reef, which gives non-swimmers and tired snorkelers a place to stay close to the water without having to swim.
I like this arrangement for families and mixed groups. A confident swimmer can spend time snorkeling, while someone who prefers dry land can remain on deck with fruit and a soft drink. Children can take a break from the water without ending the outing for everyone else.
The boat is also useful when the weather makes the sea less inviting. Five hours is a long time to spend on a small open boat. On the Red Dragon, you can spread out and find shade or sun, although you should still bring protection from the heat.
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A five-hour route from Koh Samui to the southern islands
Round-trip hotel transport is included, which removes one of the usual annoyances of a boat day. You do not need to arrange a separate taxi to the pier or work out how to return after lunch. The exact pickup time is not provided, so check that detail when your booking is confirmed.
The route includes views of the Five Islands, a small group known locally for bird-nest harvesting. The islands also feature caves, beaches, and bamboo dwellings perched near limestone cliffs. These sights are seen from the boat rather than presented as a long land excursion, so think of them as part of the cruise rather than a formal stop.
The final island in that group is described as especially scenic, with two steep limestone mountains and a valley between them. This is a good reminder to keep your camera ready during the crossings. The cruising itself is part of the day, not just transport between activities.
The tour lasts about five hours, so the schedule is compact. You get one main snorkeling stop, one island visit, food, and a coastal cruise back to Samui. It is not designed for slow exploration of every beach or reef in the area.
Koh Taen snorkeling: calm water and variable visibility

The first main stop is Koh Taen, where you have about an hour at the snorkeling site. A professional snorkeling leader accompanies the activity, and snorkeling equipment and life vests are included.
The reef can support a good range of tropical marine life. Conditions are the important variable. Visibility may be as low as 1 meter or as high as 10 meters, depending on the day. That difference is considerable, so you should not book this expecting guaranteed clear water.
Koh Taen has a useful advantage over Koh Tao: its snorkeling sites are described as less crowded. You may find the water more peaceful, with less traffic around the reef. Still, this is not a promise of perfect conditions. Wind, rain, tide, and water clarity can affect what you see.
You can choose how active you want to be. Snorkel with the guide, rest on the floating lounge above the reef, sit in the jacuzzi, or remain on the sun deck. That flexibility is one of the strongest reasons to choose this charter over a basic shared excursion.
Non-swimmers are welcome. A netted raft is available, and life vests are provided. I would still treat the sea as a serious environment, especially with children, and follow the guide’s instructions around the reef and dinghy transfers.
Pig Island and its free-roaming residents

After Koh Taen, you transfer by dinghy or kayak to Koh Mudsum, widely called Pig Island. The visit lasts about an hour and is less about sightseeing from a distance than taking part in a simple beach stop.
You can watch and feed the wild pigs, sunbathe, or walk along the shore. This makes the stop particularly appealing to children, though the pigs are still animals and should be approached with care. The experience is informal, with the charm coming from the odd combination of tropical beach and free-roaming pigs.
Pig Island is not included in the base price. Admission is 50 THB per person. That is a small additional cost, but it is worth knowing before you arrive, especially since the main charter price is already substantial.
The island may not satisfy you if you want a quiet, untouched beach. The pigs are the focus, and the stop has a playful, novelty quality. I would treat it as a memorable short visit rather than the most beautiful beach of the day.
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The weather backup: Koh Taen’s secret beach and mangroves

The crew may change the second stop if conditions make Pig Island less suitable. The alternative is Koh Taen’s secret beach, with the option of a guided sea-kayaking trip through the mangrove forest.
This flexibility is sensible. Island weather can change quickly, and a captain who adjusts the route is making a practical choice rather than failing to follow a fixed schedule. The tradeoff is that you cannot count on visiting Pig Island every time.
Guided kayaking costs 200 THB per person. The supplied details do not specify how long the kayaking lasts or how far you travel, so ask for the day’s plan before paying for it. The option should appeal to you if you prefer quiet exploration and paddling to feeding pigs and sitting on the beach.
Lunch, fruit, and the ride back to Samui

A freshly cooked lunch is included, along with soft drinks and fresh fruit. The food is served onboard, so you do not need to leave the boat in search of a restaurant or spend another part of the day waiting for a table.
That matters on a half-day trip. You can eat while the boat remains part of the experience, then settle into the dining lounge or sun deck for the return cruise. The details do not specify the menu, so ask about meal choices if anyone in your group has dietary needs.
The return route includes a cruise around the coast of the islands. Views of beaches, cliffs, and small island settlements provide a relaxed finish after snorkeling and the beach stop. This is a good time to use the sound system, enjoy the fruit, or simply sit back rather than squeeze in another activity.
The Red Dragon offers a hot tub, but remember that a jacuzzi is only one feature among several. It should not be the sole reason you choose this trip. The boat’s real value comes from the combination of space, privacy, onboard food, and different ways to spend the time between stops.
What the price means for your group

The listed price is $1,448.92 per group, with the rate described for up to 10 people. That works out to about $145 per person if you fill all 10 places, before the 50 THB Pig Island fee and any optional kayaking.
For a group of four, the same charter comes to roughly $362 per person. For two people, it becomes a very expensive private day, even with lunch, transport, equipment, and exclusive use of the boat included.
The information also allows up to 15 passengers, but more than 10 people incur additional charges: 900 THB per adult and 600 THB per child. Confirm the final headcount and price before booking, since the headline group rate and maximum capacity are different figures.
I see the best value for two families, a large extended family, or a group of friends celebrating together. You are paying not just for snorkeling, but for privacy and a large boat with several areas to use. A small party focused mainly on seeing fish may find a shared excursion or simpler private boat more economical.
Who will enjoy this charter most

This trip suits you if you value comfort as much as sightseeing. Families with children can spread out, take breaks, and choose between swimming, the netted raft, the floating lounge, and the deck.
It also suits groups with mixed interests. One person can snorkel while another rests in the jacuzzi. Some can visit Pig Island while others prefer to enjoy the boat. That freedom is harder to get on a tightly scheduled shared tour.
The outing is also a good match for anyone who wants a private celebration without booking a full-day cruise. Five hours gives you a real island experience while leaving part of the day open for Koh Samui.
You may want another tour if your priority is extensive snorkeling, long time underwater, or several reef locations. You may also prefer a different option if you dislike paying a premium for a boat with luxury features you will not use.
Children must be accompanied by an adult. Most people can participate, and non-swimmers are welcome, but everyone should be comfortable with boat transfers and time near the sea.
Practical points that can affect your decision
Confirmation is sent within 48 hours of booking, subject to availability. Because the activity is non-refundable and cannot be changed after booking, check your dates, group size, hotel details, and weather plans carefully before paying.
Hotel pickup and return transport are included, but the pickup time is not stated in the supplied details. Ask for the exact schedule once your reservation is confirmed.
Bring swimwear, sun protection, and a dry change of clothes. Snorkeling gear and life vests are supplied, but you may still prefer your own mask if you are particular about fit. Keep personal items secure during dinghy transfers and while moving between the Red Dragon and the islands.
The tour has a 4.9 rating from 37 reviews, with 100 percent recommending it. One particularly useful detail from a family booking is that the boat felt bigger than expected, which gave a group of 10, including six children aged 8 to 17, more room to spread out. That is exactly the kind of practical advantage that matters on a boat day.
Should you book the Red Dragon?
Book it if you have a group large enough to share the cost and want a private, comfortable day rather than the cheapest route to a reef. The spacious teak boat, flexible onboard activities, hotel transport, lunch, and quieter Koh Taen snorkeling make this a strong choice for families and friends with different energy levels.
Think twice if you are traveling as a couple, watching your budget, or mainly want crystal-clear snorkeling. Visibility can vary widely, Pig Island costs extra, and the weather may change the route.
For the right group, the Red Dragon is less about rushing through a checklist and more about enjoying the boat between two distinctive island stops. That is where the value lies.
FAQ
How long is the Red Dragon tour?
The excursion lasts approximately five hours.
How many people can join the private charter?
The listed group price covers up to 10 people. The supplied information also allows groups of up to 15, with additional charges for people above 10.
Is hotel pickup included?
Yes. Round-trip hotel transport from Koh Samui is included.
What is included on the boat?
The package includes boat transfers by dinghy, use of the floating pool or lounge, soft drinks, fresh fruit, a freshly cooked lunch, snorkeling equipment, life vests, English-speaking guides, and hotel transport.
Is snorkeling equipment provided?
Yes. Complete snorkeling equipment and life vests are included.
Can non-swimmers join?
Yes. Non-swimmers are welcome, and a netted raft is available. You can also relax on the sun deck, in the jacuzzi, or on the floating lounge.
Is the Pig Island admission fee included?
No. Admission to Pig Island costs 50 THB per person.
How much does guided kayaking cost?
Optional guided kayaking costs 200 THB per person. It may be offered at Koh Taen’s mangrove forest if the weather leads the crew to use the alternative route.
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