Boat Tour to Johnny Cay & Aquarium in San Andres Island

A half-day boat loop around San Andres, with time on two different island stops, is a smart way to see the area without burning your whole day on logistics. This one is interesting because the itinerary focuses on water time and beach time, not a long lecture.

I like that you get two separate spots with included admission, first Cayo Rocoso (Rocky Cay) for a rocky little island breather, then Cayo Acuario (Rose Cay) for the shallow-water aquarium experience. I also like the small-group size, capped at 10 travelers, which usually makes it easier to get attentive help when waves pick up.

One thing to consider is that Johnny Cay access can be limited by weather or authorities, so you should be ready for a day that may shift to emphasize the other stop instead of forcing the original plan at any cost.

Key highlights you can plan around

• Small group size (up to 10), so the day stays organized without feeling crowded
• Two paid-in stops with admission included: Rocky Cay and Rose Cay Aquarium
• Shallow aquarium water (about one meter) that’s easier to enjoy than deep-water snorkeling zones
• Beach-and-water pace: you’ll spend hours relaxing, not racing from one photo spot to another
• Guide support from Cecilia Forbes, known for being organized and accommodating

A half-day boat loop around San Andres’ best water-and-sand stops

This is the kind of San Andres outing that makes sense if you want a highlight day, but still want to keep your energy for the rest of the trip. You meet in the morning, ride out to island areas, and come back the same day. The overall vibe is simple, sun-focused, and built around how clear the water can look in this part of the Caribbean.

The value here is that the day is split into two island environments with different “moods.” Rocky Cay gives you a rugged, natural island feel. Rose Cay Aquarium gives you a more active, water-facing experience, with conditions that many people find easier to enjoy because the water is close to one meter deep.

And yes, the tour is weather-dependent. When conditions are strong, boats and access points can change fast. Still, the overall structure gives you a good chance to enjoy the day even if Johnny Cay ends up being off-limits.

Meeting point, timing, and what matters before you leave Muelle Portofino

You start at Muelle Portofino, Cra. 1 #2304, San Andrés. The scheduled start time is 8:30 am, and the activity returns you back to the same meeting point. Total time is listed at about 5 hours, so it’s an easy fit between a beach morning and an evening plan.

A big practical detail: the day includes a boat transportation segment plus an internal tour of the bay. That means you’re not just “getting dropped off.” You get some scenic riding time and a bit of orientation around the water area before you focus on the islands.

What to bring is where your comfort comes from on a day like this. Based on what people said after doing it, plan for:

• Water shoes for the rocky aquarium area
• Sunscreen (you’ll likely spend most of your time in the sun and near the water)
• Your own snorkeling gear if you prefer a perfect fit, because at least some guests found the provided setup not fully usable for them
• A light dry bag or waterproof pouch, since splashes are part of boat life

Also, the group is small, but you’re still on a boat, so expect simple comfort rather than luxury.

Stop 1: Cayo Rocoso (Rocky Cay) for a rocky island reset

You’ll spend about 2 hours at Cayo Rocoso, also referred to as Rocky Cay. This stop is basically nature in its “let’s keep it simple” form: a rock-based island area where you can take in the view, swim if you want, and just breathe for a bit.

Why this stop matters: it gives you a break between the mainland morning and the more water-focused aquarium time. If your body needs a slow warm-up, Rocky Cay is a good place to do it. It’s also a nice way to confirm how clear the water can be early in the day.

The tradeoff is that Rocky Cay is not set up like a long, structured activity. It’s more about enjoying the island setting at your own pace. If you’re the type who loves guided narration the whole time, you may find the format lighter once you reach the beach.

Stop 2: Cayo Acuario (Rose Cay Aquarium), shallow water and real swim time

The second stop is Cayo Acuario, also called Rose Cay. Time here is about 3 hours, and this is the star stop for many people because it’s the most water-centered part of the day.

The aquarium area is described as having water depth close to one meter. That detail changes everything. Shallow water makes it easier for more people to participate comfortably, including those who aren’t confident swimmers. You can spend time watching marine life without feeling like you’re committed to deep-water snorkeling.

It’s not just “float around” time either. The overall feel is that you’re close to the action, in a natural setting where the environment does a lot of the work. People repeatedly mentioned the clear water and the beauty of the experience, and that’s exactly what you should expect to be the main payoff.

Two practical considerations from real-world experiences:

1. Wear water shoes. One common warning is that the aquarium stop can be rocky, and barefoot walking can be uncomfortable.
2. Plan for sun and salt. A couple of people noted the boat can splash, and saltwater in your eyes is not fun. Bring sunglasses if you have them, and consider a cap or hat.

One more safety note: some guests advised being mindful of stingrays and sharks. That doesn’t mean panic. It means treat the water like an ecosystem, move calmly, and avoid sudden splashes or chasing anything close to where you’re stepping.

Price and what the $39.50 really buys (plus the dock tax)

The listed price is $39.50 per person, for about 5 hours and two included admission tickets. On paper, that can sound like a simple boat ride, but in practice the value comes from the structure: boat transport, time at two specific stops, and included entry for both island areas.

What’s included:

• Boat transportation
• Qualified personnel
• Internal tour of the bay
• Admission tickets included for the two stops

What’s not included:

• Food and drink
• A dock tax of 15,000 COP per person (this is explicitly listed as a dock tax you pay)

So how should you think about value? If you compare this to booking boat transport plus separate entry tickets, the $39.50 starts making more sense as a bundled day. But if your main goal is snorkeling gear and guidance every minute, you might find this is more “show up, enjoy the water, and follow the basic route” than a nonstop guided program.

Also, since food and drink are not included, you’ll want to plan either a light breakfast and water before you go, or be ready to buy something separately if you’re still hungry afterward.

When Johnny Cay is limited: weather, authorities, and plan B energy

This tour is explicitly dependent on good weather. In real life, that means conditions can change your ability to reach certain points. One recurring theme from people is that Johnny Cay can be closed by authorities or blocked by weather, which can shift the day.

When that happens, you should expect the operator to pivot toward what is accessible and safe. In one account, the change still allowed a memorable day by redirecting the experience away from Johnny Cay. Another example described a more educational detour into a mangroves area, with explanation from the guide when navigation to Johnny Cay was not possible.

The key thing for you to do is mental prep. Don’t anchor your whole day to one specific beach. If the water and the aquarium stop are the main goals for you, you’ll likely stay happy even if Johnny Cay isn’t reachable.

If you’re traveling at a time of year with rough sea days, bring that flexibility into your plan. This is one of those tours where being adaptable beats being stubborn.

Cecilia Forbes and the difference a real host makes

A lot of the satisfaction in this experience seems to come down to the human side. The guide Cecilia Forbes shows up in multiple accounts as attentive, organized, and responsive with instructions.

Why that matters: on a water tour, you depend on correct timing. Meeting points, getting everyone sorted, and keeping the day safe all depend on how well a guide communicates. People said Cecilia was accommodating and good at explaining what to do and what to watch for.

There’s also a practical benefit to having a guide who can handle day-of changes. When weather or access changes, someone has to make the shift quickly and keep the group from getting lost or frustrated. The accounts here suggest the team aims to do that smoothly.

Boat comfort realities, snorkeling gear, and the stuff you should not assume

This isn’t marketed as a fancy catamaran day. Several comments describe the boat as simple, with issues like water in the face from splashes. That’s not a reason to skip the tour, but it is a reason to be prepared.

Snorkeling is where your expectations should be calibrated. While the aquarium stop is the water highlight and people can see fish in clear water, at least one guest found the snorkeling gear offer not fully usable because the setup didn’t match the mouthpiece they needed. If you care about snorkeling comfort, bring your own mask and snorkel.

And if you plan to walk in rocky areas, don’t skip water shoes. Even a great day can feel annoying if your feet are uncomfortable.

A couple of people specifically also suggested bringing sunscreen and being ready to spend most of your time on the beach and in the water. In other words, pack for sun, not for shade.

Who this tour is best for, and who might want a different plan

This boat trip is a strong fit for you if:

• You want a half-day highlight with two island stops
• You like water time, and you appreciate clear, shallow conditions for seeing marine life
• You don’t need a highly scripted, always-guided experience
• You prefer a small-group day instead of a big crowd

It may not be the best fit if:

• You expect Johnny Cay guaranteed, no matter what
• You need detailed narration constantly, rather than a guide who helps set the day and then lets you enjoy your pace
• You hate boat splashes and want a dry, cushy ride the whole time
• You’re relying on provided snorkeling gear to be perfectly set up for you

If you want a day that feels like a beach hangout with meaningful water viewing, this hits the mark.

Should you book the Johnny Cay and Aquarium boat tour?

I’d book it if your priority is clear water and an easy, enjoyable island day with included admission tickets and a small-group pace. The Rose Cay Aquarium stop in particular is worth it, especially because the water depth is described as about one meter, which makes it easier for many people to participate comfortably.

Hold off or choose a backup plan mindset if you are the kind of person who gets upset when weather changes your route. This is not a tour where you can control sea conditions, and Johnny Cay can be off-limits some days.

If you do book, set yourself up for success: bring water shoes, sunscreen, and ideally your own snorkeling basics. With that, even a day that shifts away from Johnny Cay can still deliver a “wow” day on the water.

FAQ

How long is the boat tour to Johnny Cay and the Aquarium?

It runs about 5 hours total, with about 2 hours on Cayo Rocoso and about 3 hours on Cayo Acuario.

What time does the tour start?

The start time is 8:30 am.

Where is the meeting point?

You meet at Muelle Portofino, Cra. 1 #2304, San Andrés.

What stops are included in the tour?

The tour includes Cayo Rocoso (Rocky Cay) and Cayo Acuario (Rose Cay).

Are admission tickets included?

Yes. Admission tickets are included for both stops.

Is food and drink included?

No, food and drink are not included.

What is the dock tax?

There is a dock tax of 15,000 COP per person.

How many people are in the group?

The tour lists a maximum of 10 travelers.

What happens if weather is bad?

The experience requires good weather. If it is canceled due to poor weather, you will be offered a different date or a full refund.

Is the tour cancelable for a full refund?

Yes, you can cancel up to 24 hours in advance for a full refund.