Boat Tour to Johnny Cay & Aquarium in San Andres Island

Clear water and island time in just one trip. This half-day boat outing is built around two swim breaks, Rocky Cay and the Acuario (Rose Cay), with admission tickets included at both stops. I like the fast pace that still gives you real time in the water, and I also like how organized the experience feels thanks to the guide support (including Cecilia Forbes when assigned). One drawback to plan around: the Johnny Cay part is weather dependent and can also be affected by local closures, so you should be ready for alternatives.

You start early from Muelle Portofino, you get an internal bay cruise included, and you finish back where you started. The group is kept small (up to 10), which helps the day feel smoother. Budget for what is not included too, mainly the dock tax of 15,000 COP per person and your own food and drinks.

Key Highlights You’ll Actually Care About

• Tickets included at both island stops, so you are not stuck paying extra for entry on the spot.
• Two focused swim-and-beach blocks (2 hours at Rocky Cay, 3 hours at Acuario), not a rushed checklist.
• Cecilia Forbes style of guiding is practical and attentive, with helpful tips that make your free time better.
• Water shoes matter at Acuario, because the shoreline can be rocky and walking barefoot is not pleasant.
• Snorkeling can be excellent in clear water, but check your gear setup before you rely on the provided kit.
• Johnny Cay isn’t always guaranteed, because weather and authorities can change the plan.

A 5-Hour Island Hop That Feels Like Real San Andres

This is the kind of tour that fits when you want a break from the beach chairs without turning your day into a full-day production. You are basically doing a structured “island swim sampler” from San Andres, with boat transportation, a bay cruise included, and set time blocks at each stop.

At a glance, the schedule is simple: you depart at 8:30 am, you spend about 5 hours total, and you return to the meeting point. The small group size (maximum 10 travelers) keeps it from feeling like a crowded shuttle day, and it helps the guide give real attention when questions pop up.

The best part is that you are not stuck watching a guide do everything. This experience leans toward enjoying the islands at your own pace, with guidance to help you get set up and make smart choices where needed.

Meeting at Muelle Portofino and What the Boat Time Feels Like

Your day starts at Muelle Portofino, Cra. 1 #2304, San Andrés, and you end back there. The tour includes internal touring of the bay, so even before you reach the first island stop, you get some of that classic San Andres coastal scenery from the water.

Expect the boat ride to be part of the experience. Some days are calm, some days the sea has opinions. A few visitors note that the boat can feel basic and that salt spray can land on you, especially if the water is choppy. That is why I tell you to plan for a little splash, not zero chaos.

If you are sensitive to salt in your eyes, bring sunglasses and consider a hat that blocks wind. If you get motion sick easily, you will probably feel better if you sit where the boat movement is least dramatic, usually mid-boat. (You can ask the staff where to sit when you board.)

Stop One: Cayo Rocoso (Rocky Cay) for a Rocky-Heart Beach Break

Cayo Rocoso, also called Rocky Cay, is your first island stop. You get about 2 hours here, and you do not need to worry about entrance because the admission ticket is included.

What makes Rocky Cay worth it is the contrast. It is not a big “activity park.” It is an island-feel beach moment where the focus is swimming, relaxing, and taking in that clear water effect that San Andres is famous for. The island has a rocky character, which is part of the charm of the name and the vibe.

Practical note: this stop is also where the dock situation matters. A dock tax applies at the islands, listed as 15,000 COP per person, so keep cash ready. Also, plan for some water movement. If you are bringing gear, rinse it after you are back on the boat.

Stop Two: Cayo Acuario (Rose Cay) and the Water-So-Clear Setup

Your second stop is Cayo Acuario, also called Rose Cay. You spend about 3 hours here, again with an admission ticket included.

This is the stop that most people associate with “Aquarium,” but think of it more like a natural shallow-water experience around a marine area, where you can see fish easily and enjoy the water without needing a deep dive plan. The water is described as being close to one meter deep, which helps explain why it feels approachable for casual swimming.

Two big things to plan for at Acuario:

• The shoreline can be rocky, so barefoot walking is not comfortable. Water shoes are a smart move.
• Water clarity is part of the magic. When visibility is good, snorkeling can feel like some of the best you have seen, with fish visible even near shore for people who are not trying to go far.

Wildlife note, keep your distance. One caution that comes up is to watch out for a stingray and be respectful around sharks you might see. You do not need to panic. Just do not chase, touch, or crowd marine life.

Snorkeling, Water Shoes, and Sunscreen That Save the Day

This tour can be great for snorkeling, but I would not assume the provided equipment will be your perfect match. Some guests report that snorkeling gear was available but had a setup issue, like a missing mouthpiece piece, which made it unusable. If you have your own mask and snorkel, you are almost always better off bringing them.

Here is what I recommend packing specifically for this outing:

• Water shoes for Acuario’s rocky areas
• Your own snorkel mask if you can
• Sunscreen in a generous amount, because you will likely spend most of the day in sun and water
• A small towel or dry shirt change for after swimming

Also, keep your expectations in line with the tour style. It is not a constant “guide-led activity” where someone pulls you from spot to spot explaining every fish. Instead, you get help to start, then you enjoy your time independently with tips that improve your experience.

If you like taking photos, bring a waterproof pouch. The water here is the reason you will want one. If you prefer light and easy, a simple phone case works.

When Johnny Cay Isn’t Possible: Weather and Authority Changes

Even though the tour name highlights Johnny Cay, the real-world plan depends on conditions. The experience requires good weather, and cancellation due to poor weather can mean a different date or a full refund.

There is also a scenario that is not about weather: local authorities may close access to Johnny Cay, and in that case you might not reach it. When that happens, the day is still meant to stay meaningful, usually by shifting the emphasis to the other island stop and the surrounding bay.

One alternative that appears in real cases is visiting a mangrove area, where you get added context about San Andres beyond the beach-and-water portion. So if you came for variety, that can actually be a bonus.

Bottom line: treat Johnny Cay as a best-case highlight, not the only reason you book.

Price and Value: What $39.50 Covers and What You Must Add

At $39.50 per person, this tour is priced like a straightforward half-day island experience. The value comes from the package structure:

What is included:

• Boat transportation
• Qualified personnel
• Internal tour of the bay
• Admission tickets included for Rocky Cay and the Acuario stop

What is not included:

• Food and drink
• Dock tax: 15,000 COP per person (payable at the dock)

So you should plan for two “on your mind” costs beyond the headline price: the dock tax and your meals. Food and drinks can be expensive if you only rely on island snack sales, so either bring what you can where allowed or plan to buy on your own schedule.

Is it a bargain? For many people, yes, because you are getting two ticketed stops plus a boat day in one block. If you hate uncertainty or you need the exact itinerary to happen no matter what, then the value may feel smaller on days when weather or access changes the plan. But if you are flexible and focused on the water and the islands, this price can make sense fast.

Who This Tour Suits Best (and Who Should Skip It)

This tour fits best if you:

• Want a half-day way to see more than one island in San Andres
• Love clear water and beach time more than museum-style sightseeing
• Are okay with a relaxed pace and independent island enjoyment
• Can handle basic boat conditions and a bit of splash

You might skip or choose a different option if you:

• Expect a highly guided, step-by-step tour at every moment
• Need fully guaranteed access to Johnny Cay under all circumstances
• Rely on rental snorkeling gear and would be upset if the gear is not set up perfectly

If you are traveling as a couple, group, or solo traveler who wants a simple and scenic day, it is a strong match. Families can also do well, but keep in mind the boat ride, sun, and shoreline conditions, especially at the Acuario stop.

Should You Book This Johnny Cay and Aquarium Tour?

I would book this if your priority is spending time where the water is clear, the islands are pretty, and the schedule is simple. The two ticketed stops make it easy to justify the price, and the small group size helps the experience feel more personal. The Acuario portion is the one that often delivers the most for snorkeling and visible fish, but Rocky Cay is a good opener if you want that classic island chill.

Just go in with the right expectations: bring water shoes, bring or verify snorkeling gear, and be ready for Johnny Cay to be affected by weather or access rules. If you can roll with those realities, you will probably leave with that “San Andres is the real deal” feeling.

FAQ

How long is the tour?

It runs for about 5 hours.

What time does the tour start, and where do I meet?

The start time is 8:30 am, and you meet at Muelle Portofino, Cra. 1 #2304, San Andrés.

Which stops are included, and are tickets included?

You visit Cayo Rocoso (Rocky Cay) for about 2 hours and Cayo Acuario (Rose Cay) for about 3 hours, and admission tickets are included for both stops.

Is food and drink included in the price?

No, food and drink are not included.

How much is the dock tax?

The dock tax is 15,000 COP per person.

Is Johnny Cay guaranteed?

The experience requires good weather, and the plan can change due to weather or closures, so Johnny Cay is not something you should treat as 100 percent guaranteed.