Reviewed · SAN ANDRéS ISLAND TOURS
San Andres: Acuario Key Premium Tour
Fish watching begins without getting wet. This boat trip to San Andrés’ Natural Aquarium appeals to me for two clear reasons: you can see marine life through a glass-bottom boat, and you do not need to swim or snorkel. I also like that the outing includes both manta ray watching and a boat visit to Old Point mangroves.
The main point to consider is timing. The tour is advertised as five hours, but the detailed schedule lists several stops that could add up to longer. The experience is also conducted in Spanish, and the overall rating is a modest 3.3 from six ratings, so I would confirm the day’s timing and meeting details before setting out.
In This Review
- Key points to know before booking
- A simple way to see the sea without swimming
- Reaching Acuario San Andrés by glass-bottom boat
- Manta rays without touching the animals
- Old Point Mangroves, a change of scenery
- What the $27 price really covers
- Meeting at Muelle de la Policía
- What to bring and what not to expect
- Who will enjoy this San Andrés boat trip
- Booking flexibility and practical cautions
- Should you book the Acuario Key Premium Tour?
- FAQ
- How much does the San Andrés Acuario Key Premium Tour cost?
- How long does the tour last?
- Where does the tour start?
- Where does the tour finish?
- Is the tour available in English?
- Do I need to know how to swim?
- Are manta ray sightings guaranteed?
- What should I bring?
Key points to know before booking

- Glass-bottom viewing suits non-swimmers: You remain seated in the boat while looking through the glass at fish in the water below.
- The Natural Aquarium is the main event: You spend time around Acuario San Andrés, with a chance to see fish in their natural setting.
- Manta ray watching is seasonal: Rays are observed according to the season, and there are no interactive activities that put marine life at risk.
- Old Point adds an ecosystem visit: The route continues to the mangroves, where a guide explains their importance and beauty.
- Spanish is the tour language: At the dock, ask for Kevin Calvo. Final meeting information is sent through WhatsApp one day before the reserved date.
- Budget for the dock fee: The tour costs $27 per person, but the 5,000 COP dock tax, listed as about $2, is not included.
A simple way to see the sea without swimming

San Andrés is famous for clear water and marine life, but not everyone wants to snorkel, handle equipment, or spend time in open water. This excursion offers a gentler option. You sit inside a glass-bottom boat and watch the sea through panels in the floor.
That makes the tour especially useful for families with children, adults who do not swim, and anyone who prefers to stay dry. You still get a view into the water, but the experience is more like a moving observation platform than a hands-on water activity.
The boat ride to the Natural Aquarium is listed as an airboat transfer lasting about 15 minutes. The exact boat style and size are not specified, so you should expect a basic marine transfer rather than a large sightseeing vessel with extensive onboard facilities.
The tour is designed to run quietly in normal weather. That matters in San Andrés, where sea conditions can affect comfort and visibility. On a calm day, looking through the glass should be straightforward. On rougher water, the view may be less steady, and anyone prone to motion sickness should prepare accordingly.
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Reaching Acuario San Andrés by glass-bottom boat

The first major stop is Acuario San Andrés, also called the Natural Aquarium or Aquarium Key. The key attraction is not a formal aquarium with tanks. Instead, the idea is to see fish in the sea where they live.
That difference gives the stop its appeal. You are looking into the water around a natural key, with the sea itself serving as the exhibit. The tour description highlights San Andrés’ mar de siete colores, or sea of seven colors, a local phrase for the range of blue and turquoise tones around the island.
The boat’s glass floor is the practical heart of the trip. You remain comfortably seated and look down through the panels for roughly 20 to 25 minutes of fish viewing. This is a focused activity, not an all-day snorkeling session, so I would set your expectations accordingly.
The wider stop at the aquarium area lasts much longer than the glass-bottom viewing itself. The schedule lists sightseeing and walking around Acuario San Andrés, with six hours shown for that stop. That conflicts with the overall duration of five hours, so you should not treat the six-hour figure as a guaranteed visit length.
A more sensible reading is that the schedule may combine transfer and stop times incorrectly, or contain a timing error. Ask for the confirmed plan when the operator contacts you through WhatsApp. Clear timing is important if you have another booking, a flight, or a planned beach afternoon.
Manta rays without touching the animals

After the aquarium area, the boat goes to a manta ray zone. The purpose is observation, not feeding, holding, or swimming with the rays.
I appreciate that distinction. Marine encounters can become careless when animals are treated as props for photographs. Here, the stated plan is to watch the rays in their natural habitat, with no interactive activity that could endanger the animals.
The phrase according to season is important. Manta rays are not guaranteed, and the operator does not promise a fixed number or a close encounter. You may see them clearly, or conditions may make them harder to spot.
This is best approached as wildlife watching rather than a staged show. Bring patience, keep your eyes open, and accept that nature controls the result. The glass-bottom viewing and the ray stop also depend on water conditions and the presence of the animals.
For children, this can be a useful introduction to marine life because it does not require swimming skills. Parents should still keep children seated and attentive on the boat. The provided information does not specify child ages, life-jacket arrangements, or onboard safety equipment, so ask about those points if they matter to your family.
Old Point Mangroves, a change of scenery

The final major part of the route visits Parque Nacional Manglares de Old Point. After time around the open water and the Natural Aquarium, the mangroves offer a quieter look at another part of San Andrés’ coastal ecosystem.
The boat travels near the mangroves for a while, with a guided explanation of why they matter. Mangroves protect shorelines, provide shelter for young marine life, and connect land and sea, but the tour description keeps the presentation broad rather than promising a long naturalist lesson.
That is still valuable. Many island excursions focus only on bright water and colorful fish. A mangrove visit helps you see that the marine environment depends on less glamorous places too. The roots, channels, and shallow water form part of the same system that supports life around the keys.
The schedule gives the mangrove guided tour one hour. Again, compare that with the advertised five-hour duration before booking. The route includes a 15-minute return boat ride, so the actual time at Old Point may be shorter than the schedule’s wording suggests.
The mangrove portion also gives you a reason to bring a camera, but protect it from spray. The tour only lists beachwear as a suggested item, not waterproof bags or towels. I would pack light and keep phones in a water-resistant case.
What the $27 price really covers

At $27 per person, this is priced as a low-cost marine outing rather than a private charter or premium small-group expedition. The value comes from combining several activities in one booking: boat transportation, glass-bottom viewing, time at the Natural Aquarium, possible manta ray watching, a bay tour, and a mangrove visit.
If you paid separately for each short boat transfer, the combined price could be useful. The excursion also saves you from arranging your own route between the aquarium area, the bay, and Old Point.
The price does not include the transfer from your accommodation to the dock. You must make your own way to Muelle de la Policía, and you also pay the 5,000 COP dock tax, listed as approximately $2.
That extra charge is small, but it should not surprise you at the pier. The total cost is therefore about $29 per person before you account for getting to the meeting point.
The word premium in the tour name should not lead you to expect luxury. The supplied details do not promise private transportation, food, drinks, snorkeling equipment, hotel pickup, or an English-speaking guide. The Spanish-language service and basic boat format fit the low price.
Meeting at Muelle de la Policía

The meeting point is Muelle de la Policía. When you arrive, ask for Kevin Calvo. The information does not identify Kevin as the guide, but his name is the contact you are told to request at the dock.
The operator confirms the activity one day before the reserved date and sends meeting-point information through WhatsApp. Make sure the phone number used for your booking can receive WhatsApp messages while you are in Colombia.
This late confirmation is practical but slightly inconvenient. You may not have the final details until the day before, so avoid building a tight schedule around an unconfirmed departure time. The tour lasts about five hours according to the main description, but starting times depend on availability.
The activity ends back at the same meeting point. That makes it easier to plan an afternoon elsewhere on San Andrés, provided the confirmed return time matches the advertised duration.
The dock transfer is not included. If you are staying far from Muelle de la Policía, allow time and money for your own ride. The supplied information does not state how much that ride costs or how long it takes.
What to bring and what not to expect
Beachwear is the only listed item to bring. That makes sense for a boat outing around shallow keys and the mangroves, but I would also carry sun protection and a secure way to protect your phone from water. Those additions are practical suggestions, not included tour services.
Alcohol and drugs are not allowed. The tour is meant to be a calm family outing, and the information specifically describes it as suitable for adults and children under normal weather conditions.
Do not expect a meal, drinks, hotel pickup, snorkeling, scuba equipment, or a swimming session. None of those are included in the stated plan. The strength of this trip is simple sightseeing from a boat, not a full water-sports package.
The glass-bottom format also has limits. You do not get the same close view of marine life that you might get while snorkeling. If your main goal is to swim among fish, this is probably too passive. If your goal is to see the sea without getting in it, the format makes much more sense.
Who will enjoy this San Andrés boat trip

I would consider this tour for:
- Families who want a short, easy marine outing
- Adults who do not know how to swim
- People who prefer seated sightseeing to snorkeling
- Visitors interested in both marine life and mangrove ecosystems
- Budget-minded visitors who want several stops in one excursion
- Anyone comfortable receiving instructions and guiding in Spanish
I would be more cautious if you need English service, exact timing, luxury transport, or guaranteed manta ray sightings. The tour language is Spanish, rays are seasonal, and the schedule contains conflicting duration information.
A current rating of 3.3 from six ratings suggests you should book with realistic expectations. That score is not a reason to reject the experience automatically, but it is a reason to confirm the meeting details, boat arrangements, and timing before you commit.
Booking flexibility and practical cautions

You can cancel up to 24 hours before the activity for a full refund. You can also reserve now and pay later, which helps if your San Andrés plans are still changing.
The activity is confirmed one day before the reserved date. Use that contact to ask the questions that matter most to you: the departure time, expected return time, exact dock instructions, and whether the day’s sea conditions are suitable.
Weather is especially important for this experience. The tour is described as quiet under normal conditions, but visibility from a glass-bottom boat and comfort on a small marine transfer can change when the sea is rough.
If you are sensitive to motion, eat lightly before departure and bring whatever personal remedy you normally use. The operator does not list medical supplies or special onboard services, so plan for your own basic needs.
Should you book the Acuario Key Premium Tour?
Book it if you want an affordable, Spanish-guided boat trip with glass-bottom fish viewing, seasonal manta ray watching, and a mangrove visit in one outing. It is a sensible choice for non-swimmers, families, and anyone who wants to see San Andrés’ marine world from a seated boat.
Skip it if you want a guaranteed wildlife encounter, an English guide, snorkeling, or a carefully timed luxury excursion. The modest rating, Spanish-only service, seasonal rays, and conflicting schedule are real considerations.
My advice is to reserve only after checking the confirmed departure and return times through WhatsApp. At $27 plus the small dock tax, the package can offer good value, but its success depends on calm weather, clear coordination, and your comfort with a basic sightseeing format.
FAQ
How much does the San Andrés Acuario Key Premium Tour cost?
The tour costs $27 per person. A 5,000 COP dock tax, listed as about $2, is not included.
How long does the tour last?
The main activity information gives a duration of five hours. The detailed schedule includes longer time entries, so confirm the final timing with the operator one day before the reserved date.
Where does the tour start?
The tour starts at Muelle de la Policía. When you arrive, ask for Kevin Calvo.
Where does the tour finish?
The activity ends back at the same meeting point, Muelle de la Policía.
Is the tour available in English?
No. The tour language is Spanish, and the activity includes a live Spanish-speaking guide.
Do I need to know how to swim?
No. The glass-bottom boat tour is done while seated, and swimming or diving skills are not required.
Are manta ray sightings guaranteed?
No. Manta ray watching is offered according to the season, so sightings are not guaranteed.
What should I bring?
Beachwear is listed as the recommended item. Alcohol and drugs are not allowed on the activity.
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