Three islands in a single day beats waiting. This Phu Quoc outing through the An Thoi archipelago is a simple way to swap mainland life for salt air, short swims, and reef time without overplanning.

Two things I especially like are that snorkeling gear is provided and the crew serves a Vietnamese lunch onboard. You’re not just getting transport—you’re getting a full “do it, eat it, relax” day.

One thing to keep in mind: Mong Tay Island rules can change, so swimming or snorkeling there may not always be allowed. That doesn’t ruin the day, but it can affect what you expect when you picture three reef stops.

Key things to know before you go

• Three islands in one 8-hour loop: Mong Tay, Gam Ghi, and May Rut, each with about 1 hour on site
• Snorkeling gear included so you can focus on seeing fish, not shopping for kit
• Vietnamese lunch onboard as part of the day, not a last-minute hunt
• A guide with real English skills and an attentive, friendly approach (including a guide named Huy in at least one experience)
• Beach extras can cost extra, like paid sunloungers at the final island
• Sea conditions can change everything, including cancellations or date shifts when the water isn’t cooperative

An Thoi in one day: what $29 buys you

This is one of those tours that works because it’s built around timing. For $29 per person, you’re paying for boat time, crew service, and a structured route across three islands—so you don’t need to figure out how to piece together transport, permits, and snorkeling stops on your own.

You’re also paying for comfort. The whole format is “show up, get on the boat, and let the day unfold.” If your goal in Phu Quoc is to see more than just beaches near town, An Thoi is a smart target.

Getting on board in Phu Quoc: pickup, meeting point, and your day rhythm

The tour starts and ends at the same meeting point in Dương Tơ, Phú Quốc, at 143 Đường Trần Hưng Đạo. The listing notes pickup is offered, and it also uses a mobile ticket, with confirmation sent at booking.

You’ll be joining a larger group setup (maximum 120 travelers). That can be great for value, but it also means you should expect bus-and-boat logistics to feel a bit “busy” at times. Plan to bring a calm mindset and basic patience—this is a popular day trip, not a private speedboat.

Also, keep an eye on the weather. This activity requires good weather, and when conditions are bad, you can be offered a different date or a refund. One hard lesson from real-world experiences: sometimes the trip gets canceled after travel has already started—so if you’re on a tight schedule, keep a little buffer.

Stop 1: Mong Tay Island (Fingernail Island) for swimming and photos

Your first land stop is Mong Tay Island, often called Fingernail Island. The scheduled time here is about 1 hour, with a chill vibe: swim, float, take photos, and enjoy the warm water.

In theory, this is part of the snorkeling arc. But here’s the practical caution: rules on Mong Tay may change due to ecological impact and visitor volume. On at least one occasion, snorkeling and swimming were reported as banned there, with snorkeling shifted to other islands.

So I recommend this approach:

• Treat Mong Tay as a relaxation stop first.
• If snorkeling is allowed on your day, great—you’ll get extra underwater time.
• If it’s not, you’re still getting an island break with swimming and viewpoints.

Even with a rule change, the island still delivers on what most people want early in the day: that first hit of sea air, clear water, and a quick reset before reef time.

Stop 2: Gam Ghi Island and the coral-reef snorkeling hour

Next up is Gam Ghi Island, with the focus on snorkeling at a coral reef. You get about 1 hour here, and the tour includes snorkeling gear—so you can jump in without renting anything.

This is the stop where you’ll feel the difference between a photo trip and an actual “water day.” The reef area tends to show colorful tropical fish, and the whole point is that short, concentrated snorkeling window.

A balanced note: not every day’s visibility or reef variety will blow you away. Some experiences mention that there isn’t an endlessly diverse reef, but it can still be fun and enjoyable—especially if you don’t expect world-class coral ecosystems in a one-hour stop.

My best advice for this segment:

• Keep your expectations realistic. One hour is enough for a few good passes, not an all-day scientific expedition.
• Go early in the hour if the boat unloads quickly. You’ll maximize calmer water time and fewer people in your swim lane.

Stop 3: May Rut Island for beach time, sun, and crowd reality

The final island is May Rut Island, again about 1 hour. This is your relaxation and swimming-sunbathing segment: beach time, photos, and a last stretch of island atmosphere before heading back.

Two things to know here. First, this is often where the day feels more commercial because more people are on the beach for their “final island” pictures. Second, there can be extra costs on the sand—sunloungers were reported as something you may have to pay for, even if not everyone uses them.

If you want to maximize value:

• Bring a towel and water-ready small essentials (even if the lunch is included, you’ll still want your own supplies).
• If sunloungers cost extra, don’t feel pressured to buy one. Shade and space depend on the day and how the crowd spreads out.

And yes, the photo opportunities can be excellent here. Think postcard angles plus that “we made it to the islands” feeling you get when the boat finally swings back toward home.

Lunch onboard: Vietnamese comfort in the middle of the sea

The tour includes a Vietnamese lunch served by the crew onboard. This matters more than it sounds, because a boat day can otherwise turn into a juggling act—snack, skip, hunt food on islands, repeat.

In real experiences, the lunch has been described as delicious and there’s a clear effort to feed people as part of the day plan, not as an afterthought.

One caution I’d take seriously: dietary needs may not be handled perfectly. A vegetarian traveler reported that they couldn’t eat with their group and meal service was refused. That doesn’t mean it will happen to you, but it does mean you should not assume “vegetarian” is automatically covered.

If you have specific dietary restrictions:

• Message ahead and ask what the menu will be.
• Consider bringing a small backup snack you can rely on if the onboard meal isn’t suitable.

Guides and service: what “good” looks like on a boat day

Service is a big part of whether a day trip feels smooth or stressful. This tour has a strong track record for a friendly, attentive approach, including guides who speak very good English and keep the day moving.

One guide name that came up in experiences is Huy, described as caring and vigilant. That kind of energy matters on boats: it’s not just friendliness, it’s knowing when to coral people back to the right side, manage snorkeling gear, and keep timing from sliding.

If you’re someone who likes structure, you’ll probably feel comfortable here. If you hate crowd management, you might find moments of busyness irritating—especially with a maximum group size and island hopping.

Snorkeling expectations: gear, fish, and the small practical risks

Snorkeling gear is provided, which is a real advantage. You avoid rental hassle and you can get in quickly. You’ll also be buoyed by the fact that you’re not improvising: the day’s built around snorkeling time windows.

Still, keep your gear close. One experience included a lost mask that had to be retrieved, with a steep payoff to replace it. That’s not something you want to gamble on, so do this simple thing: keep your mask and snorkel on you whenever you’re not actively using them.

Also remember that snorkeling can be affected by island rules. If Mong Tay’s access changes, you’ll get snorkeling concentrated elsewhere. The reef stop at Gam Ghi is the one you can most confidently anchor your underwater expectations to.

Price vs. value: why this tour often makes sense

At $29, this tour competes well with other Phu Quoc island experiences because you’re getting multiple “moving parts” for one price: boat transport, three stops, gear, and lunch.

The value formula looks like this:

• If you want a one-day island hit without transportation planning, the price is fair.
• If you care about snorkeling and don’t want to rent gear, it becomes an even better deal.
• If you expect a private, uncrowded experience, you may feel the price doesn’t match the crowd level.

Think of it as a budget-friendly day out that’s optimized for throughput. When everything runs on time and the water cooperates, it’s a great match for most visitors.

Who should book this three-island boat trip (and who should pause)

This works best for you if:

• You want an easy full day that hits snorkeling plus island relaxation.
• You’re traveling with friends or family and you like a structured plan.
• You’d rather spend your time in the water than figuring out boat logistics.

You should pause before booking if:

• You need guaranteed vegetarian or special dietary meals onboard (ask first and bring a backup).
• You hate crowds. A maximum group size of 120 means the vibe can be “active and busy,” especially at the last island.
• You’re counting on Mong Tay for swimming or snorkeling. Rules can change, so confirm on the day if possible.

If you’re flexible and weather is cooperative, this trip is a solid way to experience An Thoi without wasting a whole day on transportation.

Final verdict: should you book 3 Islands by boat in Phu Quoc?

I think this is worth booking if you want the classic An Thoi day: three islands, a couple of hours of real sea time, and snorkeling gear plus lunch handled for you. At $29, the value is strong, and the overall service reputation leans positive, especially when the day runs smoothly.

I’d book with two smart expectations. First, enjoy it for what it is: a busy, popular boat loop with a tight schedule, not a private reef safari. Second, keep one backup plan in mind for island rule changes or weather disruptions, since sea conditions can force cancellations or date swaps.

If you fit that mindset, grab the spot. It’s one of the more efficient ways to turn Phu Quoc into more than just one beach.

FAQ

How long is the 3 islands by boat tour?

It runs for about 8 hours (approx.).

What islands do you visit?

You stop at Mong Tay Island (Fingernail Island), Gam Ghi Island, and May Rut Island.

Is snorkeling gear included?

Yes. Snorkeling gear is provided for those who want to explore underwater.

Is lunch included?

Yes. The crew provides a Vietnamese lunch onboard.

Where does the tour start and where does it end?

It starts at 143 Đường Trần Hưng Đạo, Dương Tơ, Phú Quốc, Kiên Giang, Vietnam, and it ends back at the meeting point.

What happens if the tour is canceled due to sea or weather conditions?

If it’s canceled due to poor weather, you’re offered a different date or a full refund.

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