Private Marietas Snorkeling Tour – Hidden Beach Access Guaranteed

Marietas Islands are the kind of place you reach only by boat, and the Hidden Beach option adds a memorable cave swim to the classic snorkeling day. I love that this is a private tour for up to 4, so your timing and comfort matter, not a rigid group shuffle. One heads-up, the Hidden Beach entrance fee is not included, and it is cash-only the day you go.

I also like how the experience is run from the start, you get snorkeling gear on site and the guide helps you get set up so you can actually enjoy the water. Hidden Beach runs Tuesday to Sunday, so you’ll want to plan around those days if that is your main goal.

Key things to know before you go to Marietas and Hidden Beach

• Private, up to 4 people: you get a more personal pace and more hands-on guidance in the water
• Snorkeling gear included: the guide helps with setup so you spend less time fighting equipment
• Hidden Beach access option: available Tuesday-Sunday only, with a cave entry and about 20-25 minutes inside
• Protected natural area: snorkeling is guided in a conservation-focused setting with marine life and seabirds
• Plastic-free island rules: bring a refillable bottle, water refills and eco cups are available
• Clear value on permits and fees: conservancy and national park permit items are bundled into the tour price

Why Marietas and Hidden Beach feel different from typical Puerto Vallarta snorkeling

If you only do one snorkeling outing near Puerto Vallarta, Marietas is a strong candidate. It is a boat-only island area, with guided water time that feels purpose-built, not just a quick stop to float around.

The Hidden Beach option is what turns the trip into a story. You do not just see the beach, you swim through a cave opening to get there, then you get a limited window to enjoy the calm once you arrive. That time pressure is not a downside, it keeps things moving and helps protect the experience inside the protected zone.

For your money, I like that the snorkeling side is already structured for you. You show up, get geared up, ride out, and focus on the water, not logistics.

Getting started at Marina Vallarta, and how to make the first 30 minutes easy

Your tour meets at Tours Eco Explorer Vallarta, Proa 22, Marina Vallarta (48335). It is a straightforward marina check-in, and the tour returns to the same meeting point at the end, so you do not lose time finding a new drop-off.

You will check in and get a warm welcome from the guide. Then you will get snorkeling gear provided, so you do not need to bring your own mask and snorkel unless you just prefer your fit. From there, you head to the pier and board the boat.

Two small practical tips that matter:

1. Have your ID ready. Everyone must show ID at check-in, and if you do not present it, you will not be allowed to board.
2. Plan for a short walk and board process at the marina, since the group moves from check-in to the pier.

The tour runs about 4 hours, and you can expect it to feel busy in a good way, geared toward boat time plus real snorkeling.

The boat ride to Islas Marietas, what you might spot, and how the day stays eco-minded

Once you are on the water, the trip becomes part of the fun. The route out to the Marietas Islands gives you time to settle in, meet your guide, and get ready for the water time.

One benefit of a private group is that your guide can set expectations early. You get clear instructions for what to do next, and you can ask questions before the water part starts. On some days, you might also have a chance to see whales during the cruise, if conditions line up and timing works.

This tour also leans into conservation habits. The Marietas Islands are a designated plastic-free zone, so bringing a refillable water bottle is part of doing it right. There is a water refill station and eco-friendly cups available on the boat, which is handy if you forget a bottle.

You are not hungry-squeezed either. Snacks are included, including apples, bananas, and a sandwich, plus soda/pop. Lunch is not included, so if you want a full meal after snorkeling, plan for that later.

Snorkeling in a protected natural area: gear, guidance, and real-world water clarity

At the islands, you get guided snorkeling in crystal-clear waters when weather permits. Water clarity can vary with sea and weather conditions, so I treat the day as: expect great visibility if conditions are friendly, and still get a worthwhile experience even when it is not perfect glass.

Your guide’s role is more than a casual pointer. You will get instruction and support around snorkeling setup, including how to properly secure your snorkel gear. That sounds basic, but it matters, a poorly fitted mask or loose snorkel can turn a calm swim into constant adjusting.

The tour is built around seeing marine life and seabirds in a protected area. You are in the water long enough to feel like you actually explored, not just popped in and out. The guidance helps you stay oriented, so you do not spend the whole time chasing your buddy or wondering where to go.

If you are comfortable in the water, you will likely enjoy this part a lot. If you are not a strong swimmer, it is still a guided environment, but you should be honest about your comfort level before choosing Hidden Beach, which is more physical.

Hidden Beach access from the cave entrance: timing, how it feels, and what to do with your body

The Hidden Beach option is optional, and it is the moment most people remember long after the snorkeling. Access involves swimming through a cave entrance, and there may be a short wait before your scheduled time to enter.

Once inside, you get about 20-25 minutes to swim, relax, take photos, and enjoy the quiet. The limited time is actually part of the experience, it keeps the flow managed and helps reduce crowding pressure inside the protected zone.

Here is the practical part you will want to keep in mind. The cave entry can feel tense at first because you are squeezing through a natural opening and the water position changes quickly. The best approach is calm, steady movement, and listening closely to your guide.

If you are doing Hidden Beach, I recommend you:

• Follow your guide’s instructions on how to move through the entrance
• Stay relaxed and keep your breathing controlled
• Use a steady stroke style like breast stroke for the cave portion if that is what your guide instructs
• Have enough stamina for the short effort, cardio helps, even though the time inside is not long

A really common mistake is getting tense when you feel that first low point. The guides focus on helping you clear it fast, and once the cave opens up, the mood shifts toward awe and relief.

Also note that Hidden Beach has age guidance. Minimum age is 10 years old, and for Hidden Beach specifically, it requires a 10+ child to go with an adult in the same group. The experience is also not recommended for pregnant women.

Price and value breakdown for a group of up to 4

The tour price is $650 per group, up to 4 people. That means the best value usually comes when you are actually using the full group size.

What your $650 covers:

• Snorkeling equipment
• Boat ride to the Marietas Islands
• Conservancy donation fee to Bahia Unida
• CONANP (Federal Government) fee
• Permits for the national park
• Snacks (apples, bananas, and a sandwich) plus soda/pop

What costs extra (important for budgeting):

• Government fees MX$100.00 per person
• Hidden Beach entrance fee is optional, MX$600.00 per person
• Hidden Beach entrance is cash only

Lunch is not included, so plan a meal either before you go or after you return. You also might want to bring a plan for water if you do not want to rely on refill station use, but the tour does provide water refills on site.

How I think about the value: the bundled permits and fees help you avoid surprise charges. The Hidden Beach entrance fee is the big add-on, so decide early if Hidden Beach is truly your priority. If you are on the fence, the main Marietas snorkeling portion still makes a strong half-day outing, but Hidden Beach is what adds the cave swim story.

Who should book this private Marietas tour with Eco Explorer Vallarta

This is a great fit if you want a private outing, not a crowded cattle-call. With a group size up to 4, you tend to get more attention when you are gearing up and when you are figuring out your snorkel fit.

It also makes sense if you like structured guidance. The guide helps with equipment and gives instructions that keep you safer and more relaxed in the water. That is especially important if you choose Hidden Beach.

This is for you if:

• You can manage a boat ride and some time in the water with moderate physical effort
• You are traveling as a small group or family, where private pacing matters
• Hidden Beach is a must-do and you are traveling within the days it runs

It is not a fit if:

• You are pregnant (pregnant women are not allowed on these tours)
• You are under the influence of drugs or alcohol
• You cannot comfortably follow safety directions in and out of the water
• You do not meet age guidance (minimum age is 10, and Hidden Beach has additional age expectations)

There is also a max age recommended for Hidden Beach activity of 65 years old. If you are near that boundary, I would take that guidance seriously.

One more practical note: the tour uses a mobile ticket, and it is offered in English. It is near public transportation, which can help if you are not driving.

The quick decision checklist: should you book it?

Book it if you want:

• Private snorkeling with gear and guidance handled for you
• A chance to see marine life and seabirds in a protected area
• Hidden Beach access on the right days, when the cave swim is the highlight you want

Maybe skip or rethink if:

• You do not want to handle extra cash for Hidden Beach (MX$600 per person, cash only)
• You are not comfortable with a short, physical cave swim process
• Your schedule lands on Monday, because Hidden Beach access does not run that day

If you are deciding based on time, I also like that the tour availability is daily except Mondays, which makes it easier to find a workable slot. And because this kind of outing is popular, it is smart to lock in your date early.

FAQ

Where is the meeting point for the Private Marietas Snorkeling Tour?

The tour starts at Tours Eco Explorer Vallarta, Proa 22, Marina Vallarta, 48335 Puerto Vallarta, Jal., Mexico. It ends back at the same meeting point.

How long does the tour take?

The duration is about 4 hours.

Is Hidden Beach access included with the tour price?

Hidden Beach access is optional. The entrance fee for Hidden Beach is not included in the tour price and must be paid separately.

How much is the Hidden Beach entrance fee and how do I pay it?

The Hidden Beach entrance fee is MX$600.00 per person, and it is cash only.

What is included in the tour price?

Included items are snorkeling equipment, the boat ride to the Marietas Islands, conservancy and government-related fees (Bahia Unida, CONANP, and national park permits), and snacks (apples, bananas, and a sandwich) plus soda/pop.

What costs extra that is not included?

Not included costs are lunch, government fees of MX$100.00 per person, and the optional Hidden Beach entrance fee (MX$600.00 per person, cash only).

Do I need to bring an ID?

Yes. Travelers must show an ID at check-in. If you do not present it at the time of check-in, you will not be allowed to board the boat.

What are the age and health restrictions?

The minimum age for the tour is 10 years old. For Hidden Beach activity, the minimum age is 10 with an adult in the same group, and the max age recommended for Hidden Beach is 65 years. Pregnant women are not allowed, and it is not recommended for anyone under any drug or alcohol influence.

Can I cancel for free, and what happens if weather is bad?

Yes, you can cancel for a full refund if you cancel at least 24 hours before the experience’s start time. If the experience is canceled due to poor weather, you will be offered a different date or a full refund.