Hidden Beach waits behind a swim-through cave. On this Puerto Vallarta tour, you head out to the Marietas Islands for snorkeling and a high-probability Hidden Beach stop, often with guides such as Rodrigo or Carlos watching for wildlife like dolphins and turtles.

I love that snorkel gear and life vests are included, and guides help you get comfortable in the water before you’re on your own. I also love the behind-the-scenes access: official permits, park fees, and the CONANP bracelet, so you’re not scrambling for authorization once you’re at the islands.

One consideration: Hidden Beach is permit-based and the entrance is optional, with a cash-only fee (MXN 600). If conditions aren’t right, you may do the snorkeling and beaches without going into the tunnel area.

Key Things You’ll Notice on This Tour

• 97% chance of visiting Hidden Beach compared with many other options
• Small group size (max 16) makes it easier to manage equipment and safety
• Ameca River stop early on where dolphins are possible before you even reach the islands
• Plastic-free island rules: bring your own water bottle (and keep it reusable)
• Official permits and park fees included, plus a CONANP bracelet
• Hidden Beach entrance is optional and cash-only (MXN 600), and conditions matter

Marietas Islands and Hidden Beach: What Makes It Different

The Marietas Islands are protected, and the whole experience feels more like a conservation visit than a “hit-and-run” beach stop. The big draw is Hidden Beach, a pocket of sand you access by swimming through a rock tunnel.

On top of that, you’re not just looking at sand. You’re snorkeling in a national park setting, with a real shot at marine life like dolphins and sea turtles. And when conditions line up, the cave-tunnel entrance turns the visit into something you remember for a long time.

Getting There From Puerto Vallarta: Speed Boat, Ameca River, and Sea Life

You meet at Tours Eco Explorer Vallarta at Marina Vallarta, and you’re usually out on the water shortly after the morning start. The ride is part of the fun, with a quick scenic stretch that includes a stop near the mouth of the Ameca River.

About 10 minutes into the journey, this area can be a wildlife hotspot. You’re in “morning food time” territory for dolphins, and the boat route also gives you better odds of seeing animals on the surface before you ever gear up.

Then, roughly an hour into the trip, you reach the islands. In winter months, the ocean can be extra alive, and you might spot sea turtles, manta rays, and even whales depending on the day and conditions.

Snorkeling Gear and Life Vests: What You’re Really Paying For

This tour isn’t “bring your own mask and figure it out.” You get snorkel equipment and a life vest, plus guidance so you can float and move confidently. That matters on these trips because currents and waves can change quickly once you’re in the water.

The guides aren’t just on the boat. They also help while you’re snorkeling, sharing tips to improve your in-water comfort and safety. Several guides have been named across experiences, including Rodrigo, Carlos, and Rafa, and the consistent theme is that the crew keeps an eye on everyone.

You’ll also have light snacks and drinking water during the day, so you’re not starting the water portion on an empty stomach. The tour is designed as a full half-day experience (about 4 to 5 hours), and the included basics help it run smoothly.

Hidden Beach Permits and the Water-Tunnel Entrance: The Part You Should Plan For

Hidden Beach is the star, but it’s not guaranteed the way a typical beach stop is. Access is tied to limited permits, and your tour has a strong chance to get in, listed as 97%.

If you do go in, you’re entering from the sea through a tunnel. This is where your swimming comfort matters. The tour’s own guidance is clear: people should have moderate physical fitness, and the hidden beach has an age range with ID requirements (minimum age 10 with an adult, and maximum age 65, with ID).

Also, the entrance fee is not built into the tour price. Access to Hidden Beach is optional and payment is cash-only (MXN 600 per person). That means you should be ready with cash if you want to take the option when you’re there.

Practical safety note: conditions can affect how difficult the tunnel entrance feels. Some days are calm and easy; other days can feel more intense due to tides and wave action. My advice is simple: when you’re offered it, ask about what the conditions look like right now and how the swim will be handled.

If you’re not a confident swimmer, or if you’d lose sleep thinking about safety margins, consider a private tour. Private options are available for up to four guests, and that’s often the best way to reduce uncertainty when Hidden Beach is your one big goal.

Marine Life You Can Expect in Bahia de Banderas Waters

This trip’s value isn’t just the scenery. It’s the chance to see wildlife on the water. On the route to the islands and during the water stops, people commonly report sightings that include dolphins, sea turtles, and tropical fish.

Depending on season and conditions, you might also see manta rays and whales. Even when you don’t get the rare sightings, you’re still snorkeling in a park environment that tends to offer good visibility and a mix of fish life.

One more thing: there’s a difference between seeing fish and seeing fish that feel close and plentiful. The tour’s setup, including guided snorkeling and nearby stops, is meant to give you enough time to actually enjoy the underwater portion instead of treating it like a quick check-the-box moment.

Stop-by-Stop: What the Day Feels Like on the Water

You start with a smooth morning boat ride out of Marina Vallarta. Very early, you’re already scanning for wildlife around the Ameca River area, which sets the tone. When you reach the islands, the tour shifts from “watch and enjoy the ride” to “gear up and swim.”

Once you’re at the islands, you’ll get equipment and life jackets, then get coaching on how to snorkel safely. This part is practical and hands-on, especially for anyone who wants help getting their breathing and body position right.

Then comes the Hidden Beach decision point. If permit access and conditions line up, you’ll go for the tunnel entrance and the short time you have there. If it doesn’t, you’ll still have chances to enjoy the marine area through snorkeling stops and the views from the water.

Even the timing helps. This isn’t a frantic schedule where you’re rushed every minute. You’ll have time on the water, including guided snorkeling and time to enjoy the experience without feeling like you’re being chased.

Price and What’s Included: Is $99 Good Value

At $99 per person, the tour price can feel like a lot at first glance—until you look at what’s covered. You get official permits for the Marietas Islands National Park, a conservancy donation to Bahia Unida, and the CONANP bracelet. You also get snorkel equipment, a life vest, snacks, and drinking water.

That’s a big deal. Many cheaper tours skip the permit and park-fee reality, then you end up paying extra on site or getting a smaller experience. Here, the structure is built to get you into the real national-park zone legally and efficiently.

The main extra costs are:

• Hidden Beach entrance (optional): MXN 600 per person, cash-only
• Government fees: $6.00 per person

And lunch is not included, so plan around light snacks only.

If you’re the type who hates “surprise” charges and wants your money to map to actual access, this is the kind of tour that fits that mindset.

Who This Tour Suits Best (And Who Might Prefer Private)

This tour is a strong choice for couples, groups of friends, and families with kids who meet the age requirements for Hidden Beach access. The hidden beach has a minimum age of 10 (with an adult in the same group) and a maximum age of 65, and you’ll need to bring ID for minors and older participants.

You’ll want moderate physical fitness, not because you’re climbing mountains, but because you’re swimming in open water and navigating the tunnel entrance if you opt for Hidden Beach. A strong swimmer is a clear advantage.

Pregnancy is a dealbreaker here. Pregnant travelers are not allowed due to safety rules. Also, alcohol or drugs are not permitted.

If Hidden Beach is your top priority and you want the highest peace-of-mind factor, private tours can be worth it. The private option is available on request for up to four guests, and it’s the simplest way to reduce uncertainty.

Tips That Make the Biggest Difference (Beyond Just Showing Up)

Bring a reusable water bottle. These islands are plastic-free as part of the conservation effort, and you’ll be encouraged to use what you bring. It’s a small thing, but it’s the easiest way to avoid a day built around buying plastic.

Plan for sunscreen rules. One important note from experiences shared on the day: sunscreen may be restricted because it harms corals. A smart backup is a UV shirt for snorkeling.

Bring the right IDs. If minors are in your group, and for the hidden beach age limit rules, having ID matters. Without it, you could get stopped from entering the Hidden Beach option.

Finally, bring cash if you want Hidden Beach. Since the entrance fee is cash-only, it’s the kind of detail that can ruin the day if you forget.

Should You Book This Marietas Islands Snorkel Tour?

Book it if you want a structured snorkeling day with included permits and park access, plus a high chance to visit Hidden Beach when conditions allow. At $99, the value is in the access paperwork and included gear, not just in the water time.

Consider a different approach if you are not a confident swimmer or if the tunnel element would stress you out. Hidden Beach entrance depends on permits and real-time conditions, and the swim can feel harder on some days than others.

If your goal is wildlife sightings plus great snorkeling in a protected marine area, this tour fits. If your goal is Hidden Beach only, I’d seriously weigh private options or be ready to ask direct questions on the day about conditions before you commit.

FAQ

How long is the Marietas Islands snorkeling tour?

It runs about 4 to 5 hours.

Where do I meet the tour?

You meet at Tours Eco Explorer Vallarta, Proa 22, Marina Vallarta, Puerto Vallarta, Jal., Mexico.

What time does the tour start?

The start time listed is 9:30 am.

Is Hidden Beach included in the tour price?

Hidden Beach access is optional. The entrance fee is not included in the tour price.

How much does Hidden Beach cost, and how do I pay?

Hidden Beach entrance costs MXN 600 per person and payment is cash-only.

What snorkeling gear is provided?

The tour provides snorkeling equipment and a life vest.

Are national park fees and permits included?

Yes. National park fees, a conservancy donation to Bahia Unida, and official permits for access to the Marietas Islands National Park are included. A CONANP bracelet is also included.

What marine life might I see?

You may see dolphins, turtles, and tropical fish. Depending on the day, you might also see manta rays and whales.

Who can access Hidden Beach?

Hidden Beach access has a minimum age of 10 years old with an adult in the same group, and a maximum age of 65 years old (both require ID). Pregnant travelers are not allowed on these tours.