Reviewed · SAN ANDRES TOURS
San Andres: Acuario Key Premium Tour
The main draw here is a glass-bottom boat ride over the natural Aquarium, where you can watch fish below without swimming. The water around San Andrés is known for its shifting blue and green tones, and this gives you a calm way to see part of that underwater world.
I like two things right away: you do not need to know how to swim, and the trip includes more than the Aquarium. You also visit the manta ray area and the Old Point mangroves, giving the outing some variety. The main consideration is the timing: the tour is advertised as five hours, but one part of the schedule lists six hours at the Aquarium, so confirm the day’s plan through WhatsApp.
Key points to know before booking
- Glass-bottom viewing: Spend about 20 to 25 minutes looking through the boat’s glass at fish in their natural habitat.
- Manta ray stop: Watch manta rays when they are present and conditions allow, without interactive activities that put marine life at risk.
- Old Point mangroves: Cruise near the mangroves and learn why this ecosystem matters to San Andrés.
- Simple meeting point: Begin and end at Muelle de la Policía, and ask for Kevin Calvo when you arrive.
- Spanish-language outing: The live guide speaks Spanish, and the meeting details are confirmed by WhatsApp one day before.
- Low-cost half-day plan: The $27 price includes the boat and main stops, but not transport to the dock or the 5,000 COP dock tax, listed as about $2.
What this San Andrés boat tour is really about

This is a straightforward sea excursion, not a luxury cruise or a strenuous water activity. You sit comfortably in a glass-bottom boat and watch the sea below you, then continue to two different marine settings around San Andrés.
That makes the tour useful for families, older visitors, and anyone who wants to see fish without getting into the water. You can enjoy the Aquarium even if swimming is not your strength. Beachwear is the main suggested item, and alcohol and drugs are not allowed.
The tour costs $27 per person. For a half-day outing that includes boat transport, a glass-bottom boat ride, time at the natural Aquarium, a possible manta ray sighting, a bay tour, and a mangrove visit, that is a reasonable price. You should add the dock tax and your own transport to the departure point when working out the true cost.
One point needs careful attention. The description gives a total duration of five hours, but the stop-by-stop schedule says six hours at Acuario San Andrés, in addition to two 15-minute boat segments and a one-hour mangrove visit. Those figures do not match. I would treat five hours as the intended total, then confirm the actual departure and return time before you set up other plans.
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Starting at Muelle de la Policía

You meet at Muelle de la Policía, the police dock. Transport to the dock is not included, so you need to arrange your own way there. The dock tax is also separate and is listed as 5,000 Colombian pesos, or about $2.
When you arrive, ask for Kevin Calvo. The operator says the final meeting point details are sent through WhatsApp one day before the reserved date. Keep an eye on your messages, since this confirmation is the practical step that should settle the exact meeting instructions.
The tour ends at the same meeting point. That is helpful because you do not need to arrange a second pickup at another part of the island. Still, allow a little breathing room around the stated schedule. Boat outings depend on normal sea and weather conditions, and the published times already contain an inconsistency.
The boat ride to the natural Aquarium

The first boat movement is listed as a 15-minute airboat transfer to the Aquarium. The wording is a little unusual, since the activity is otherwise described as a boat trip and glass-bottom boat tour, but the important point is that you travel by boat from the dock to the natural Aquarium.
The ride is described as quiet under normal weather conditions and suitable for adults and children. You remain seated during the glass-bottom portion, so this is not a physically demanding activity. You may want beachwear because this is a marine outing, but the information does not promise a dry ride, so a small layer or change of clothing could be sensible if you have room.
The natural Aquarium is not presented as a formal indoor aquarium. It is a marine area where fish can be seen in the sea. That difference matters. You are looking at animals in their own surroundings rather than walking through a building of tanks, and visibility can depend on the water and weather.
Looking through the glass for 20 to 25 minutes

At the Aquarium, you use the glass in the boat to look down at fish below. The main viewing period is described as about 20 to 25 minutes. It is a short, focused look rather than a long underwater session.
I like this format for a mixed-age group. A child can watch the fish without needing swimming skills, while an adult who prefers to stay dry can still get a clear sense of the sea life below. You also avoid the pressure of learning equipment or keeping up in the water.
The tradeoff is that glass-bottom viewing is dependent on your position in the boat and on water clarity. You should think of it as a compact wildlife-viewing stop, not a guaranteed close-up show. The trip promises fish in their natural habitat, but it does not specify particular species or guarantee a certain number of sightings.
The Aquarium stop is listed as sightseeing and walking, with one part of the schedule assigning six hours to it. That appears inconsistent with the five-hour total and the 20 to 25-minute glass viewing description. Ask about the actual amount of free time at this stop so you know how much of the day is spent moving, viewing, and walking.
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Manta rays without touching the animals

After the Aquarium, the boat continues to the manta ray area. The plan is to observe manta rays in their natural habitat when the season is right. The wording is careful: sightings are according to season, so you should not book this as a guaranteed manta ray encounter.
The tour also says there are no interactive activities that endanger marine species. That means the focus is watching rather than touching, feeding, or handling the animals. I consider that an important part of the experience. You get a chance to see marine life while keeping the visit observational.
The manta ray stop adds a useful change of pace after the glass-bottom viewing. You are no longer looking through the boat at fish alone, but waiting to see larger marine animals in the sea. Still, nature sets the schedule here. If manta rays are not present, the operator does not promise a substitute animal encounter.
A quiet bay tour before the mangroves

The outing continues into the bay to see the departmental dock and its surroundings. This part is less specific than the Aquarium and manta ray stops, but it gives you a wider look at the coastal setting around San Andrés.
You should not expect a long guided city tour from this section. The information describes a bay tour and a visit to the dock area, not a detailed walk through town or a series of historic stops. Its value is in seeing the island from the water and linking the marine sites into one route.
For families, this pause can help break up the day. For someone looking for an intensive reef outing, it may feel like a quieter transit section. The live guide speaks Spanish, so Spanish comprehension will help you get the most from the explanations along the way.
Old Point Mangrove National Park

The mangrove portion is the tour’s most ecological stop. The boat travels near the mangroves for a while, with a guided explanation of their importance and beauty. The schedule gives this section one hour.
Mangroves matter because they form a meeting place between land and sea. Even without a long walk or a technical ecology lesson, seeing them from the water helps you understand that the island’s natural environment is more than open beach and clear water. The tour includes time to observe the area rather than simply passing by on the way home.
The description does not promise a long hike inside the park. It says you sail nearby, so expect a boat-based visit. That is good news if you prefer an easy outing, but less satisfying if you want a strenuous nature walk or extended time on land.
This stop also gives the trip a better balance. The Aquarium and manta ray area focus on animals in the sea. Old Point adds a plant-based coastal ecosystem and shows how different parts of the island fit together.
Returning by boat to the same dock
After the mangrove visit, you take another 15-minute boat segment and return to Muelle de la Policía. The activity ends where it began, which keeps the logistics simple.
The total duration is advertised as five hours, with starting times available when you check the date. Because the detailed schedule includes a six-hour Aquarium entry, I would not plan a tight lunch reservation, airport transfer, or another tour immediately afterward. Confirm the actual end time before booking anything that cannot be changed.
Normal weather is described as making the trip calm and suitable for children and adults. No detailed bad-weather policy is provided in the information here, so the safest approach is to check the WhatsApp confirmation and any same-day instructions before leaving.
What the $27 price covers

At $27, the price covers the core boat experience:
- Boat transfer to the natural Aquarium
- Glass-bottom boat viewing
- Time at the Aquarium
- Manta ray watching, according to season
- Bay tour
- Mangrove tour
The dock tax is extra, at 5,000 COP, listed as about $2. You also pay for your own transport to Muelle de la Policía. Those are modest additions, but they matter if you are comparing the tour with a package that includes hotel pickup.
The value is strongest if you want several coastal sights in one half-day and do not want to organize separate boat rides. The price is less compelling if your main goal is a long glass-bottom viewing session, since the clearly stated viewing period is only 20 to 25 minutes.
Free cancellation is available up to 24 hours before the activity for a full refund. You can also reserve and pay later, which gives you some flexibility while you settle your island schedule. The operator confirms the activity one day before the reserved date.
Who will enjoy this outing most

I would point this tour toward you if you want a light, family-friendly introduction to San Andrés marine life. It works especially well if you do not swim, do not want to get wet, or simply prefer to observe from a seated boat.
It also suits you if you want variety. The route combines fish, possible manta rays, a bay view, and mangroves rather than spending the full outing in one place. The Spanish-language guide is a good fit for Spanish speakers, but you should not expect an English-guided experience based on the information provided.
You may want another option if your main interest is extensive underwater time, guaranteed manta rays, or a precise, tightly scheduled excursion. The manta ray sighting is seasonal, and the schedule has conflicting duration details. Those are not deal breakers, but they are worth knowing before you pay.
Practical tips for a smoother day
Bring beachwear, as requested by the operator. The trip is on the water, and beach clothing fits the setting even though the glass-bottom viewing itself is done while seated.
Keep the WhatsApp confirmation handy. It should provide the meeting point information one day before the tour, and you will need to ask for Kevin Calvo at the dock.
Budget for the 5,000 COP dock tax and your transport to Muelle de la Policía. The activity ends back at that same dock, so you can plan your return from there.
Do not count on manta rays appearing. The stop is included according to season, but wildlife sightings are not guaranteed. The same practical rule applies to fish viewing: the tour takes you to the natural Aquarium, but water and weather conditions can affect what you see.
Finally, confirm the timing. The headline duration is five hours, while the detailed stop information lists six hours at the Aquarium. A quick message before the date can prevent a long wait or a rushed connection.
Should you book the Acuario Key Premium Tour?
Book it if you want an affordable, easy boat trip that lets you see fish without swimming and adds manta rays, a bay cruise, and Old Point mangroves. The range of stops gives you a fuller picture of San Andrés than a single short Aquarium visit.
I would book with two conditions: confirm the exact schedule and understand that manta rays are seasonal. At $27, plus the small dock tax and your own transport, this is a fair choice for families and casual sightseers. It is not the best match for someone seeking a long, highly specialized marine excursion.
The published rating is 3.3 out of 5 from six ratings, so I would keep expectations practical. This is a basic Spanish-language boat outing with a pleasant mix of sea and mangroves, not a polished luxury product. If that matches what you want, it can be a sensible way to spend part of a day on San Andrés.
FAQ
How much does the Acuario Key Premium Tour cost?
The price is $27 per person. A dock tax of 5,000 Colombian pesos, listed as about $2, is not included, and transport to the dock is also separate.
How long does the tour last?
The activity is advertised as five hours. However, the detailed schedule lists six hours at Acuario San Andrés, so you should confirm the actual timing before the tour.
Where does the tour begin and end?
The tour begins and ends at Muelle de la Policía. You should ask for Kevin Calvo when you arrive.
Is swimming required?
No. The glass-bottom boat viewing is done while seated, and the activity information says you do not need to know how to swim.
Are manta ray sightings guaranteed?
No. Manta ray watching is offered according to the season, so sightings are not guaranteed.
What language is the tour conducted in?
The live tour guide speaks Spanish.
What should you bring, and what is not allowed?
You should bring beachwear. Alcohol and drugs are not allowed.
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