REVIEW · KOH TAO
Ko Tao: Tao-Nangyuan Snorkeling Day Trip with Meals & Sunset
Koh Tao’s best day on the water is not just about the fish. It is about small-group snorkeling that gives you room to move, a guide who actually stays with the swimmers, and enough time to enjoy five bays without racing from one stop to the next. The reward is a full day of turtles, blacktip reef sharks, coral, clear water, and a sunset BBQ.
I especially like the fresh mouthpiece for each person, a simple touch that makes shared equipment less awkward. I also like the food plan: a generous Thai buffet at midday, fruit and drinks through the day, then chicken BBQ skewers and a non-alcoholic mojito as the sun drops.
The catch is the sea itself. Wind and rough water can change the route, and Koh Nang Yuan can become hot and crowded, especially near its viewpoint. The 250-baht island entrance fee is extra, and the transfer can take longer if your hotel sits far from the pier.
What makes this Koh Tao boat day different

- New snorkeling mouthpiece: You share the mask, snorkel, and fins, but receive a fresh mouthpiece rather than using one passed between passengers.
- Five main water stops: Japanese Gardens, Mango Bay, Hin Wong, Aow Leuk, and Shark Bay give you several chances to find calm water and marine life.
- Small boat atmosphere: The usual maximum is about 20 people, with some departures carrying only four to 12 passengers.
- Meals from morning to sunset: Expect a six-choice buffet lunch, seasonal fruit, unlimited soft drinks, tea and coffee, then a BBQ dinner.
- Free underwater photos: Guides use a camera or GoPro to photograph the group and share the files afterward.
- More than snorkeling: Kayaks, paddleboards, a sun deck, and a beach stop at Koh Nang Yuan break up the time in the water.
A full day from Ko Tao to Koh Nang Yuan

This is a 510-minute outing, so plan on giving it most of your day. Hotel pickup and drop-off are included for people staying on Koh Tao, with the exact pickup time confirmed after booking. You should wait in the lobby or agreed meeting point five minutes early.
The boat is the Royal Mariblue. After a short safety briefing of about 15 minutes, you cruise away from the pier. The vessel has upper and lower areas, giving you somewhere to sit in the shade and a rooftop spot for sun and views. That matters on a long day. You will want a choice between dry clothes, sea spray, and full sun.
The crew speaks English and Thai. Guides named Zin, Lucky, Tu, Two, Tony, and Tew appear on different departures, so do not assume a particular guide will lead your boat. What you can expect is a guide-led approach in the water, with staff helping less confident swimmers, pointing out sea life, and taking photos.
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Koh Nang Yuan: beach, viewpoint, and Japanese Gardens

Your first major stop is Koh Nang Yuan, three small islets joined by a narrow strip of sand. The beach is the classic photo scene, with palm trees, bright water, and granite rocks around the shore. You can swim, sit on the sand, or walk toward the viewpoint.
If the viewpoint is important to you, go early. The climb is short but includes stairs and rocky sections, and the heat builds quickly. One useful alternative is the area near the water station below the viewpoint, which gives you a partial view without the full climb. You cannot bring plastic onto the island, so carry a reusable bottle or follow the crew’s instructions about what is allowed.
The island entrance fee is not included. One recent passenger specifically advised bringing about 250 baht in cash, but confirm the current amount before you go.
The Japanese Gardens site sits in a sheltered bay on the eastern side of Koh Nang Yuan. Granite formations shape the bay, and the shallow water makes this a friendly first snorkeling stop. You can expect coral, small fish, and underwater rocks rather than a dramatic open-sea swim.
The schedule gives roughly 30 minutes in the Japanese Gardens, with additional time at Koh Nang Yuan for the beach and sightseeing. Some departures may adjust the balance. The main limitation is crowding. Koh Nang Yuan is one of the most popular stops around Koh Tao, so the beach and viewpoint may feel busier than the later bays.
Lunch on board, with time to dry off

After the first swim, the boat serves a freshly prepared buffet lunch. The meal usually includes around six options, with Thai dishes such as curries, rice, noodles, and chicken wings, followed by two seasonal fruits.
This is more useful than a basic boxed lunch. You can choose what suits you, eat a proper portion, and settle on the boat while looking back toward Nang Yuan and Mango Bay. Water, Coke, Sprite, tea, and coffee are available throughout the day.
There is also fruit, cookies, and drinks between stops on some departures. Hot drinks are not always available at every moment, so if tea or coffee matters to you, check with the crew early. The food is one of the strongest parts of the value, especially when you compare this with a cheaper boat that may provide only a simple meal.
Mango Bay and Hin Wong Bay

Mango Bay, also called Ao Muong, comes next. The bay is surrounded by green hills and large boulders, giving you a more enclosed setting than the open coast. You get about 50 minutes for swimming, snorkeling, and viewing marine life.
The water and visibility depend on weather. On a calm day, the bay can be a lovely place to float and watch fish around the rocks. On a windy day, the crew may shorten or replace the stop. That is not a flaw in the boat trip, but it is worth remembering if you are booking for one particular photograph or animal sighting.
Hin Wong Bay lies along Koh Tao’s eastern coast. You can stay on Ao Hin Wong Beach, snorkel, or use a kayak. The underwater scene here can include schools of sardines pursued by trevally, sometimes in water only about one meter deep.
That shallow depth is good for anyone who is less comfortable in open water. It also means you can see plenty without needing strong swimming skills. Still, waves and currents can make getting in and out of the water harder, so follow the guide’s instructions and use the provided life jacket if you need extra support.
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Aow Leuk and the search for blacktip reef sharks

Aow Leuk is one of the most appealing stops for a relaxed swim. The bay has a sandy bottom in the middle, so you can float without worrying as much about striking rocks. Fish of different sizes can be seen close to shore, and small harmless sharks are sometimes present.
The sand also makes Aow Leuk a good place to rest between snorkeling sessions. Kayaks and paddleboards are available, though the exact time on each activity depends on the group and sea conditions. If your priority is marine life, tell the guide rather than spending too much of your stop on the board.
The final major snorkeling stop is Shark Bay. Here, blacktip reef sharks and sea turtles may pass over the seabed in water around four to ten feet deep. Some sharks can be more than six feet long, but they are described as peaceful and are not approached or handled.
The crew’s help is particularly useful here. Guides may lead the group toward turtles or young sharks and take underwater photos while you watch. Several people who were new to snorkeling received help with life jackets, entering the water, and staying near the guide. That makes this trip more suitable for a cautious beginner than a free-for-all boat where you are left to find the animals alone.
There is no guarantee that every animal will appear. Marine life moves, visibility changes, and weather can alter the route. The practical advantage is that the boat visits several bays, giving you more than one chance.
Photos, equipment, and comfort on the boat

The tour provides a mask, snorkel, fins, and life jacket. The new mouthpiece is a worthwhile hygiene detail. You still use shared masks and fins, so bring your own equipment only if you prefer a personal fit.
Underwater photography is included. Guides have used GoPros to take photos and videos of turtles, sharks, coral, and people in the water, then shared the files through WhatsApp or Google Drive. This is a real saving if you were considering renting a camera, though the quality and number of images will depend on the guide, visibility, and group size.
A smaller group changes the whole rhythm. With four, six, nine, or 11 people, the guide can spend more time helping individual swimmers and lining people up for photos. At the full limit of around 20, the boat still has more space than many larger excursions, but it will not feel private.
The boat has a top and bottom deck, and the seating is described as comfortable. You can use the sun deck between stops, but bring a hat, sunglasses, towel, and plenty of biodegradable sunscreen. The tropical sun is strong even when the wind makes you feel cool.
Sunset BBQ at Banana Rock

Near the end of the route, the boat heads toward Banana Rock for a 30-minute sunset stop. The crew serves a BBQ set dinner, usually chicken skewers, along with a virgin mojito and unlimited soft drinks.
Dinner is lighter than lunch, which is sensible after a long day in the water. It is also the kind of meal that works well on a boat: easy to eat, freshly prepared, and timed with the view. The final cruise back to Mae Haad Pier gives you a quiet end to a busy day.
Weather can interfere with the sunset stop. In rough conditions, the boat may need to change the final location or return earlier. The crew has still served the BBQ when the planned sunset viewing was not possible, but you should not book this as a guaranteed sunset photograph.
Is $62 good value?

At $62 per person, this is not the cheapest way to snorkel around Koh Tao. The low-cost boats often advertise similar bays, but the group size and food can be very different.
Here, your price includes hotel transfers, a local guide, all snorkeling equipment, a new mouthpiece, kayaks and paddleboards, buffet lunch, fruit, unlimited bottled water and soft drinks, tea and coffee, BBQ dinner, a virgin mojito, and underwater photography. The combination makes the price easier to justify, especially if you value comfort and do not want to arrange several beach visits yourself.
The strongest value comes when the group is small. With nine people, the experience can feel close to a private charter. With 18 to 20, you still get a manageable boat, but the personal attention will naturally be spread more widely.
The price does not include the Koh Nang Yuan entrance fee or alcoholic drinks. Budget for the island fee in cash, and do not expect a party boat with beer or cocktails. The mood is more relaxed, social, and food-focused.
Weather, safety, and who should book

The crew changes the route when the sea is rough. This may mean missing a bay, shifting the order, or skipping a sunset location. That flexibility is a safety benefit, though it can disappoint you if you have your heart set on one exact stop.
You should not touch coral or marine life. Listen to the guide around sharks and turtles, and use the life jacket if you are not a strong swimmer. The tour is not suitable for pregnant women, wheelchair users, people with heart problems, or people with pre-existing medical conditions.
I would choose this trip if you want to see many parts of Koh Tao in one day, prefer a smaller boat, and like having meals and drinks handled for you. It is especially good for solo passengers, couples, families with confident older children, and beginners who want a guide nearby.
I would look elsewhere if you want a very quiet beach day, dislike a full schedule, need guaranteed calm water, or prefer to spend the whole day at one reef. This is still an active day with repeated climbs in and out of the sea.
What to bring and what to expect
Pack lightly. Large bags and luggage are not allowed, and you will spend much of the day moving between the boat, beaches, and water.
Bring:
- Swimwear and a towel
- Sunglasses and biodegradable sunscreen
- A camera or phone in a waterproof case
- Personal medication
- Cash for the Koh Nang Yuan entrance fee
- A reusable bottle if you plan to visit the island
Hotel pickup time is confirmed by email. Check that message carefully, especially if you book close to departure. One past transfer took longer because passengers were staying at different ends of Koh Tao, so allow patience during pickup and drop-off.
Free cancellation is available up to 24 hours before departure, and you can reserve with payment later. The activity is only available to people staying on Koh Tao.
Should you book the Royal Mariblue day trip?
Yes, if you want the most complete snorkeling day rather than the cheapest boat ticket. The mix of five bays, guided wildlife spotting, a small group, good meals, free photos, and sunset views gives you a lot for $62.
Book it with realistic expectations. You may see turtles, reef sharks, sardines, trevally, and colorful fish, but no responsible boat can promise a particular animal. The route can change with wind, and Koh Nang Yuan may be crowded.
For the best chance of a personal-feeling outing, choose a date when the boat is unlikely to fill and confirm your pickup details early. Bring cash for the island fee, protect yourself from the sun, and tell the guide if you are nervous in the water. If those points suit you, this is one of Koh Tao’s better all-day choices.
FAQ
How long does the Koh Tao snorkeling trip last?
The activity lasts 510 minutes, or about eight and a half hours. Pickup and drop-off at your Koh Tao hotel are included.
What marine life might I see?
The route can include coral, many types of fish, sardines, trevally, sea turtles, and blacktip reef sharks. Sharks and turtles are not guaranteed, and the route can change with weather.
Is the Koh Nang Yuan entrance fee included?
No. The island entrance fee is separate. Bring cash, with recent practical guidance suggesting about 250 baht, and confirm the current fee before departure.
Are snorkeling masks and fins provided?
Yes. The tour provides a mask, snorkel, fins, and life jacket. Each person also receives a new snorkeling mouthpiece.
Is food included?
Yes. You receive a buffet lunch with about six options and two seasonal fruits, drinks throughout the day, and a BBQ set dinner with a non-alcoholic mojito. Alcoholic drinks are not included.
Can beginners join the snorkeling?
The crew guides the group in the water and helps less confident swimmers, but you should be comfortable taking part in a boat and sea-based activity. The tour is not suitable for pregnant women, wheelchair users, people with heart problems, or people with pre-existing medical conditions.
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