Sharks and turtles, in a half-day loop. This Koh Tao snorkeling trip around Koh Nang Yuan and Shark Bay mixes great underwater sightings with a simple Thai lunch box on the boat. One heads-up: the Nang Yuan Island entrance fee (THB250 cash per person) is not included.

I also like how practical the whole day feels. You start with hotel pickup, get snorkeling gear, and then a guide helps you hit the best bays (with help you can actually use, not just a lecture). Guides such as Lucky and Aye are mentioned for finding spots where you can see baby sharks and sea turtles, plus the tour includes free underwater photography services.

Key Highlights You’ll Care About

• Shark Bay at 4 to 10 feet: a zone designed for watching sharks and sea turtles up close.
• Five snorkeling stops: Nang Yuan Island plus Hin Wong, Aow Leuk, and Shark Bay areas.
• Thai lunch box onboard: seasonal fruit, coffee/tea, and drinking water included.
• Hotel pickup and drop-off: you don’t need to figure out transport between bays.
• Free underwater photos: extra keepsake without you worrying about your camera setup.

Getting Your Money’s Worth: What $27.67 Really Buys

At $27.67 per person, this tour is priced like a “do a lot with minimal hassle” day. The value comes from the bundle: pickup and drop-off, snorkeling equipment, lunch (in box form), and coffee/tea plus fruits and water. You’re not paying separately for the boat time or for the guide to get you around the bays.

The one extra cost you should budget for is the Nang Yuan Island entrance fee: THB250 per person, paid in cash on the island. That’s the kind of add-on that can throw you off if you’re traveling light. If you like being prepared, carry enough cash for that fee before you arrive at the meeting point.

Also, fins are not included. If you’ve got your own fins you like, bring them. If you don’t, you can still go with the provided snorkeling equipment, but you’ll want to make sure you’re comfortable in the gear you get.

The Day at a Glance: 10:00 Start and About 6.5 Hours

This tour runs about 6 hours 30 minutes, starting at 10:00 am. The timing matters in Koh Tao. Mid-morning is a good window for calm-ish water and getting your snorkeling done before the afternoon gets hotter or choppier, depending on the day.

You’ll meet at Royal Mariblue – Koh Tao, and the tour ends back at the meeting point. The listing notes pickup and drop-off service, so in practice you should expect a round trip convenience from your hotel, not just a random meeting and hope-for-the-best.

Group size is capped at 50 travelers. That’s big enough that logistics feel organized, but small enough that you usually still get attention. One review noted a 20-person group on the private island, while another mentioned a more crowded boat on a different departure. So: the “vibe” can vary. If you’re sensitive to crowds, aim for the most direct, smaller-group option when you book, if that’s available.

Koh Nang Yuan: Three Tiny Islets and the Cash Entrance Fee Stop

Koh Nang Yuan is made up of three tiny islets off Koh Tao’s northwest coast. This is the part of the trip that feels most like a classic “card photo” destination, but the real payoff is what’s under the water and how quickly you can get in and out.

Your route includes Nang Yuan Island as a dedicated stop. That’s important because the entrance fee is tied to the island. Plan on paying THB250 cash there, not on your card. If you show up without cash, you can lose time while people hunt for an ATM.

What I’d watch for at this stop is simple: coral and fish right away. The snorkeling program is set up to give you the main reefs and best spots around the island, and the experience description mentions colorful reefs, coral, and tropical fish. If you want to ease into snorkeling, Nang Yuan is where you can get your rhythm before you move to the bigger animal-focused area later.

Hin Wong Bay and Aow Leuk Beach: Getting Your Snorkel Legs

After Nang Yuan, you’ll move into the rest of the itinerary’s snorkeling spots: Hin Wong Bay and Aow Leuk Beach. You’re not just “going from one location to another.” These stops are built to string together multiple reef areas so you’re not stuck repeating the same shallow patch.

Hin Wong Bay is listed as one of the best snorkeling spots around Nang Yuan Island. In real terms, that usually means a mix of coral structure and small-to-medium fish that keeps your attention. The goal for you is to spot things without burning energy. If you go out strong at the start, you’ll be happier later when you’re trying to look for sharks and turtles.

Aow Leuk Beach is the next stop. The name matters because it’s part of the “hidden bays” feeling of the route. Even if you don’t get a dramatic surface view from the boat, these bays are where the underwater world does its work. Treat these stops like your warm-up and gear-check phase: adjust your snorkel fit, get used to the current (if there is one), and practice slow breathing so you can stay focused when something interesting swims by.

Shark Bay: Where the Tour Actually Earns Its Name

The big highlight is Shark Bay, and the tour description makes it clear what you’re aiming for: sharks swimming peacefully above the seabed, plus sea turtles in the same general area.

Here’s the depth guidance you should take seriously: you’ll likely be snorkeling around 4 to 10 feet deep. That’s shallow enough that you can see without feeling like you need scuba skills, but it’s deep enough to keep things interesting. You should come ready to look at the bottom as well as straight ahead.

You can also expect blacktip reef sharks and sea turtles. The description even notes some can be over 6 feet long. I’m not saying you’ll always see a big individual. But the point is: this stop is set up specifically for marine-life spotting, not just general snorkeling.

One practical strategy: keep your movements slow and your kicks controlled. Sharks and turtles tend to be calmer when the water around them stays calm. If you’re the type who thrashes around in a panic, this is the moment where you’ll get less.

If you’re lucky, this is also where you’ll get the most memorable “eyes-on” moments. Guides are specifically praised for finding baby sharks and turtles, and that matters here. A good guide helps you look in the right direction at the right time, not just “go this way, good luck.”

Lunch Box on a Boat: Simple, Filling, and Actually Useful

Lunch is included as a Thai-style lunch box set, served onboard. You also get seasonal fresh fruits, plus coffee and/or tea and drinking water.

In my opinion, this matters more than people think. Half-day tours can turn into “snorkel, then starve.” Here, you get enough calories to keep you steady in the water. If you’ve ever had a day where you start hungry and then get cranky after two hours, you’ll appreciate having food timed to the trip.

What to expect: box lunch food that’s meant to be convenient and not messy. The fruits and hot drink are your reset button after being in the sun and salty water.

If you get motion sick easily, the boat portion and the stop sequence are still short enough that you can usually manage, but you might want to pack the usual sea-sickness tricks. Alcoholic beverages are not included, so there’s no reason to drink on the water unless you add it yourself.

Boat Comfort, Fins, and What to Wear for Real Snorkeling

You’ll sail on a traditional boat, and you should expect the day to feel active. Your feet will be handling salt water, and you’ll be switching between surface time, snorkeling time, and boat time.

Snorkeling equipment is included, but fins are not. That’s a key detail. Even if the provided gear includes masks and snorkels, fins help with comfort and efficiency. If you have your own fins, bring them. If you don’t, make sure you can get a good fit quickly so you’re not wasting your best snorkeling window.

What to wear is where you should be extra thoughtful. One of the concerns raised in feedback was about improper contact with the reef (like standing where you shouldn’t or wearing gear that can damage coral). I can’t predict your exact outfitting, but I can tell you what keeps reefs safe and helps you stay in control: wear reef-friendly clothing, avoid anything that scrapes coral, and don’t stand on fragile underwater areas just to get a better view.

Also think about sun. This is a snorkeling day with multiple stops, so you’ll likely be exposed for several hours. Bring reef-safe sunscreen if you use it, and plan on reapplying if you’re still in the water later.

Eco Notes: Protecting Reefs While You Chase Sharks and Turtles

This is where I get practical. Koh Tao’s reefs are the main attraction, so your behavior is part of the experience. There’s at least one piece of feedback that criticized how snorkeling was handled in some situations, including concern about reefs being damaged.

So do this: treat every coral area like it’s fragile. Keep fins up and feet off coral. If your guide does something that seems wrong, say something politely and focus on safe technique. Good guides want you to see marine life without hurting it.

The operator also responded to eco concerns by emphasizing eco-tourism and training staff on appropriate behaviors. That’s a positive sign. Still, the best insurance is you being ready to use reef-safe habits from the moment you enter the water.

If you see any bag checks for plastic or other waste control (one review mentioned checks for plastic bottles on a private island), take it as a cue. They’re trying to reduce trash impacts. Your job is to cooperate and pack what you need without bringing extra single-use waste.

Free Underwater Photography: A Nice Bonus If You Plan for It

This tour includes free underwater photography services. That’s a big deal if you want proof of what you saw but you don’t want the hassle of bringing an action camera.

What you should know: underwater photo service usually works best when you’re ready quickly and you listen for instructions. You’ll probably get guidance on where to position yourself and when to swim for better shots. If your mask or snorkel fit is off, photos will look worse and you’ll feel rushed.

Ask early how the photos are handled. The details aren’t spelled out in the info I have, so you’ll want to get clarity from your guide on how and when you’ll receive them.

If you care about photos, keep one eye on the guide’s hand signals while still doing slow, controlled snorkeling. That balance is what gets you both sightings and decent images.

Who Should Book This Koh Tao Snorkeling Loop

This is a strong fit if you want:

• A focused snorkeling day with multiple bays, not one single site
• A clear animal goal (sharks and sea turtles) at Shark Bay
• Convenience: hotel pickup/drop-off, lunch, water, and basic gear included
• A guide-led experience where you don’t have to figure out routes yourself

It’s also a decent choice if you’re traveling solo or as a pair because the structure keeps things simple. You get a guide, a schedule, and stops that reduce decision fatigue.

I’d think twice if:

• You hate boat crowding and tight movement areas, because group size can vary by departure
• You’re very sensitive to reef-contact culture and worry about how strict everyone will be on coral protection
• You don’t want any cash extras, because THB250 for Nang Yuan is required on-site

Should You Book This Koh Tao, Koh Nangyuan and Hidden Bays Snorkeling Trip?

If you’re deciding between “plain snorkeling” and a more animal-focused route, this one is worth considering. The big reasons are the route planning for Shark Bay, the inclusion of lunch and drinks, and the added value of free underwater photography.

Go for it if you want a day that’s organized enough to relax, but still structured toward marine life. Just do two things to make the day smoother: bring cash for the Nang Yuan entrance fee, and bring or plan for fins since they’re not included.

One last practical note: the experience requires good weather. If conditions aren’t right, you’ll be offered a different date or a full refund, so don’t stress if plans shift.

FAQ

What time does the snorkeling tour start?

The tour starts at 10:00 am.

How long is the experience?

It runs for about 6 hours 30 minutes.

Does the tour include hotel pickup and drop-off?

Yes. Pickup and drop-off service is included.

What’s included for lunch?

Lunch is a Thai-style lunch box set, with seasonal fresh fruits, coffee and/or tea, and drinking water.

Is snorkeling equipment included, and are fins provided?

Snorkeling equipment is included, but fins are not included.

Do I have to pay an entrance fee at Nang Yuan Island?

Yes. The Nang Yuan Island entrance fee is THB250 per person, paid in cash on the island.

Can I cancel for free?

Yes. You can cancel up to 24 hours in advance for a full refund, and if poor weather cancels the trip you’ll be offered a different date or a full refund.