Hidden beach dreams come with real swimming.

This full-day catamaran trip to Islas Marietas is a great match for wildlife fans, because you get snorkeling gear and time on the water with dolphins and, in season, humpback whales. I also like that the itinerary includes an open bar on the boat, so the day doesn’t feel like a dry, rigid excursion.

You’ll also get built-in paddleboard and kayak time, plus breakfast and lunch to keep your energy up while you’re out there. I’m especially into trips like this when the marine life does the show, not a script.

One possible drawback: access and timing can feel tight, and the most famous beach stop is not for casual swimmers. If you hate extra day-of fees or you want a long, relaxed beach window, this may feel like the wrong fit.

Key things to know before you go

• Islas Marietas is a conservation area, so plan on paying required onsite fees (and keep pesos handy).
• Snorkeling equipment is included, but your actual time in the water may feel short.
• Hidden beach access can require extra cost and limited daily availability.
• Open bar is provided on the boat, but the best drinking window may be later in the day.
• Expect restrictions for water activities, including what you can wear and when you can apply sunscreen.
• You’re sharing the boat (max 80), so service and food timing can vary.

Islas Marietas is the real star of the day

Islas Marietas is one of those places where the scenery is cool, but the animals are the point. The water here is known for serious marine life, including lots of colorful fish and dolphins. If you travel in the December to March whale season, you have a good chance of seeing humpback whales in the area, which turns a normal snorkeling day into a full-on wildlife outing.

What I like about doing Marietas by catamaran is that it builds anticipation. You’re not just being dropped at a dock and sent back the moment you’re ready. You spend the day on the water, with activities staged around the island experience. It makes the trip feel like a day out, not a quick stop.

One more thing that matters for the vibe: Marietas is protected. That’s why certain areas have rules and why access to the most famous swimming spots can be limited. If you treat it like a theme-park beach, you’ll miss what makes it special.

The 6 to 7 hour flow from 8:15 am to return

The tour runs about 6 to 7 hours. It starts at 8:15 am from Terminal Maritima in Las Glorias, Puerto Vallarta. The tour includes both the trip out and the return to the same meeting point, so you should think of the day in chunks: travel time, aquatic activities, island time, then the ride back.

Because the boat experience is timed around shared schedules, you’ll want to be ready for a more “organized chaos” pace than a private outing. You’re on a boat with a maximum of 80 people, so the rhythm is more about moving groups efficiently than giving each person a custom itinerary.

Also, plan mentally for the reality of travel time. A lot of the day is spent getting to the islands and back. That’s not a deal-break, but it explains why people who are very focused on one specific beach moment can end up feeling short-changed if they imagined more time on the sand.

Snorkeling, paddleboard, and kayak: what’s included and what to expect

The big aquatic win here is that snorkeling equipment is included: fins, a vest, and snorkel. That removes a common hassle, especially if you don’t pack your own gear.

Now, here’s the part you should mentally prepare for: snorkeling sessions can feel brief. The tour is structured as a shared day with multiple water activities, and that usually means you get a limited window in the water rather than a long free swim. You might see plenty of fish if conditions are good, but don’t expect a slow, all-morning drift like you could do on your own with a shorter boat trip.

You’re also included for paddleboard and kayak. In practice, the paddle and kayak zone is usually close to the boat, so it’s more about fun and views than exploring miles of coastline. If you like low-stress movement on the water, it’s a great add-on. If you’re hoping for big paddle routes, you may find the range a bit limited.

Hidden beach and cave-style swimming

The most famous part of Marietas involves swimming from the boat area to a beach that people often describe as hidden and connected to cave-like passages. This is the stop that rewards effort. You can’t treat it like a walk-on beach.

You should expect that you’ll need confidence in the water. One review noted swimming through a cave, which gives you an idea of what “reach the hidden beach” can involve. If you’re not comfortable swimming in open water, with waves or current, or if you get nervous when you can’t touch bottom, this is the moment to think twice.

Water rules that affect comfort

A few rules can surprise first-timers:

• You may not be able to bring certain items into the water (people reported restrictions around hats, glasses, and water shoes).
• Sunscreen timing can matter. One report said you can’t apply sunscreen too close to arrival if you want to join the “water activities.”

If you know you’ll be using sunscreen, plan your skin routine early, and avoid bringing anything you’ll be upset to lose or leave behind.

Meals and open bar: get fed early, not later

The tour includes breakfast and lunch, plus drinks through the day via the open bar on the boat. In theory, that should keep everyone comfortable for a long outing.

In real life, timing and quality can vary. Breakfast is often more like a continental spread, and lunch may show up later than you’d expect. Some people reported open bar starting later, especially after the earlier aquatic activities, so don’t assume you’ll be sipping immediately at boarding.

What I recommend for the smartest comfort

• Eat something before you board, even if breakfast is included. This is especially important if you’re the type who gets cranky with delays.
• Bring a water mindset. Even with drinks available, you’re in salt water and sun. Sip regularly.
• If you’re picky about food or drinks, treat meals as “included fuel,” not a highlight.

The good news: when the day goes well, the boat vibe plus the animal sightings can make everything feel easier. The crew tends to be a strong point, with friendly, energetic staff that keep the pace fun.

Budget for onsite conservation fees and any extra access costs

Here’s the part that can turn a good day into a frustrating one if you don’t plan ahead: not everything is included.

What you should budget for onsite:

• Sermarnat bracelet for conservation: $220 MXN, paid when boarding at the pier.
• Marietas National Natural Park admission: MX$33 per person.
• The tour states admission ticket is not included for the main activity.

On top of required fees, some participants reported additional reserve or port-type charges. I can’t treat those as guaranteed, but it does show a pattern: there may be day-of costs beyond what you first calculate from the base price.

Hidden beach access often means extra cost

The most famous beach stop is usually not a simple “everyone gets the same time on sand.” There’s often a separate process with limited daily access, and people have described being told about extra fees after arriving on the boat.

So do yourself a favor: plan to pay what’s necessary to reach the exact experience you want. If hidden beach access is your main goal, double-check what is included in your ticket and what costs extra.

Price and value: is $115 worth it?

At $115 per person, this is not the cheapest way to do Marietas. The value depends on what you care about.

You get meaningful inclusions for that price:

• Snorkeling gear (fins, vest, snorkel)
• Breakfast and lunch
• Paddleboard and kayak
• A catamaran trip to Islas Marietas
• Open bar on the boat
• The tour is offered in English
• Maximum group size is up to 80 people, so it’s not tiny, but it’s not a mega-party either

What sometimes makes it feel overpriced:

• The trip can involve a long ride for limited beach time.
• The actual time snorkeling can feel short.
• Food and drink quality can feel average.
• Open bar details may not match your expectations about when and what is poured.

So how do you decide? If you want a well-structured day at sea with guided logistics, included gear, and a real shot at dolphins and whales, the price can feel fair. If you mainly want long beach time or you’re trying to avoid any day-of extras, you may feel like you paid for transportation more than for time on the sand.

Meeting point and timing: the fast way to avoid headaches

The meeting point is specific: Terminal Maritima, Blvd. Francisco Medina Ascencio, Las Glorias, 48333 Puerto Vallarta, Jal., Mexico. Start time is 8:15 am.

One detail that matters: the agency is on the 2nd floor at Beach Boy Agency. Arrive early enough to find the right spot without rushing. The tour also uses mobile tickets, so have your ticket ready on your phone, with battery to spare.

Also, the tour is max 80 travelers and is a shared outing. That means line-ups happen. If you show up late, you can end up stuck in the “sorry, you missed it” zone. A smooth arrival is one of the biggest levers you control.

Communication-wise, it’s offered in English. That helps, but group tours still depend on crew flow, and a few people have flagged that non-Spanish needs may not always be handled consistently.

Who should book, and who should choose differently

Best fit

This tour is a great match if you:

• Love wildlife more than lounging
• Want included snorkel gear and guided water activities
• Are comfortable with shared-group pace
• Can swim confidently for the hidden beach-style experience
• Enjoy a full day on the water, not a quick in-and-out

Think twice if

You might want a different option if you:

• Expect a long beach stay and lots of time on one specific sand area
• Don’t want day-of conservation fees or any possible additional access charges
• Are sensitive to short snorkeling windows
• Need very consistent, high-quality meals and drinks
• Strongly dislike boat travel time, because a big chunk of the day is transit

If you fall into the second group, a smaller-group or private-style format could give you better control. The key is matching your priorities to the structure of the day.

Should you book this Isla Marietas full day with meals and open bar?

I’d book it if your dream is a big marine-life day with included gear and an active, on-the-water schedule, and you’re willing to plan for conservation fees and possible extra costs for the most famous swimming areas.

I wouldn’t book it if your main goal is a long, easy beach stop or if you want zero surprises around timing, food, or open bar details. In that case, it may feel like a transport-heavy day with limited time where it counts.

If you do book, come prepared:

• Bring pesos for onsite conservation fees
• Eat before boarding
• Sunscreen early, not at the last second
• Be honest about your comfort in the water, because the hidden beach style experience is not a casual stroll

FAQ

What time does the tour start?

The tour starts at 8:15 am.

Where is the meeting point?

It meets at Terminal Maritima, Blvd. Francisco Medina Ascencio, Las Glorias, 48333 Puerto Vallarta, Jal., Mexico. The agency is on the 2nd floor at Beach Boy Agency.

What’s included in the tour?

Included are snorkeling equipment (fins, vest, snorkel), breakfast and lunch, an open bar on the boat, paddleboard and kayak, and a catamaran trip to Islas Marietas.

What fees are not included?

Sermarnat bracelet for conservation of the island is $220 MXN, and Marietas National Natural Park admission is MX$33 per person. Tips are also not included.

Is the tour offered in English?

Yes, the tour is offered in English.

How long is the tour?

It runs about 6 to 7 hours.

Do they offer photo services?

No. Photo services are not offered and would be an extra purchase.

What happens if weather is poor?

This experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.