Boat Tour to Johnny Cay & Aquarium in San Andres Island

San Andrés is at its best from the water, and this half-day outing takes you to two of the island’s most popular beach stops. At Aquarium, also called Rose Cay, the sea is shallow enough to wade through, while Rocky Cay offers a quieter stretch of sand, rock, and clear Caribbean water. Cecilia Forbes is the guide most often named for this experience, and her practical help can make the morning easier.

I like the small maximum group of 10, which should feel more manageable than a packed party boat. I also like the generous time at each stop: roughly two hours at Rocky Cay and three hours at Aquarium. The tradeoff is comfort and certainty. The boat is simple, spray can soak bags and faces, and weather or local authorities may prevent a visit to Johnny Cay.

Key points to know before you book

• Expect beach time, not a fully guided sightseeing tour: You are taken to the islands and given time to enjoy them, but the guide may not stay with you every minute.
• Aquarium is the main water attraction: The sea is close to one meter deep, with clear water and fish visible from shore in good conditions.
• Bring water shoes: Aquarium can be rocky, and getting in or out of the boat may be awkward when the sea is rough.
• The route can change: Johnny Cay may close because of weather or local restrictions, and an alternative stop or refund may be offered.
• Budget for dock fees: The tour price is $39.50 per person, but food, drinks, and listed dock taxes are extra.
• Protect your belongings: Several accounts describe heavy spray, wet bags, and an uncomfortable ride on the basic boat.

What this five-hour island outing is really like

This is a straightforward boat trip for seeing San Andrés’s famous clear water without arranging separate transport to each stop. You meet at Muelle Portofino, at Cra. 1 #2304, for an 8:30 a.m. departure, then return to the same pier after about five hours.

The advertised experience is connected with Johnny Cay and Aquarium, but the detailed stop information names Cayo Rocoso, or Rocky Cay, and Cayo Acuario. That distinction matters. Johnny Cay can be closed by local authorities, and rough weather can make the route unsafe. Before you set out, confirm which islands are operating that day.

I would treat this as a shared transfer with beach time rather than a traditional guided tour. The included service covers boat transportation, qualified personnel, and an internal tour of the bay. It does not promise a continuous history talk, private boat, or personal guide at every stop.

That can be a plus if you want freedom. You can swim, sit on the sand, snorkel, eat, and look around at your own pace. It is less satisfying if you expect a detailed explanation of San Andrés, a tightly managed schedule, or a guide beside you throughout the morning.

Leaving Portofino Pier at 8:30 a.m.

The meeting point is central and clear: Muelle Portofino on Carrera 1. The stated start time is 8:30 a.m., although one account describes a departure about 30 minutes late. Allow extra time for check-in and be ready for a relaxed island pace rather than a precise mainland schedule.

The group limit is 10 people. That is one of the stronger features of the booking. A small group usually makes boarding and communication simpler, and it gives you a better chance of finding a comfortable place on the boat.

Still, the boat itself is not a luxury vessel. Several accounts describe it as basic or uncomfortable, with sea spray hitting passengers and soaking belongings. One person reported sore eyes from salt water and a wet backpack. If you carry a phone, camera, towel, or change of clothes, use a waterproof bag or sealable plastic pouch.

The crossing is described as fairly quick, but the ride can feel rough when the sea is unsettled. Sit where you can, hold on during movement, and keep loose items secured. A hat with a chin strap is more useful than a wide, floppy sun hat on a fast open boat.

Rocky Cay: two hours of sand, stone, and shallow water

Rocky Cay, or Cayo Rocoso, is the first listed stop, with about two hours set aside. Its name fits the place: this is a small rocky key, visited for rest, swimming, and the bright water around it.

You should not expect a large collection of sights or formal attractions. The appeal is simple. You get out, find a place to settle, swim if conditions allow, and enjoy the view across the Caribbean. It is a good pause after the boat ride and a chance to slow down before the longer stay at Aquarium.

The stop can feel very different depending on the tide and wind. In calmer conditions, getting into the water is easier. When the sea is rough, boarding and stepping off the boat can become awkward, and one account describes passengers jumping into the water to reach shore. If you are not confident in the water, ask the crew for clear instructions before leaving the boat.

Food and drinks are not included. You may find places to buy refreshments at the islands, but the tour information does not promise a particular restaurant or meal arrangement. Bring money and do not count on the package to feed you.

I would use the Rocky Cay stop for a swim, a little sun, and a break from organized activity. Reapply sunscreen even if the morning is cloudy. You are exposed on the boat and on the beach, with little information provided about shade.

Aquarium, or Rose Cay: the tour’s best water stop

Aquarium, also called Rose Cay, receives about three hours, making it the longer and more important stop. The water here is close to one meter deep, so you can wade rather than swim in the usual sense. In clear conditions, fish may be visible from the shore, which is a rare treat for anyone who does not want to spend the whole morning in deep water.

This is where you will get the strongest sense of why San Andrés is known for sea colors. The water is clear, the bottom is shallow, and the setting invites you to move slowly through the sea while looking down. One particularly positive account described the snorkeling as excellent because fish could be seen from the beach.

Do not arrive expecting a quiet private sandbar. Aquarium is a popular stop, and one account described the area as heavily used and dirty. The experience depends on the crowd, weather, tide, and how much care people take with the site.

Water shoes are essential for comfort. The bottom can be rocky, and walking barefoot may be painful. They also help when stepping into the water or moving near the boat. Pack them in your day bag rather than wearing them for the whole ride.

Snorkeling equipment deserves special attention. Equipment may be available for an extra charge, but one person paid for gear and could not use it because the mouthpiece was missing. The safest plan is to bring your own mask and snorkel if you have them. If you rent equipment, inspect it before paying and confirm that all parts are included.

You may also see stingrays and small sharks in the shallow water. The information provided describes the sharks as non-biting, but you should still follow crew instructions, avoid touching wildlife, and give animals room.

Johnny Cay is not guaranteed

The name of the experience highlights Johnny Cay, yet the detailed route lists Rocky Cay and Aquarium. This is not a minor wording issue. The authorities may close Johnny Cay, and poor weather or strong wind can prevent the boat from reaching it.

One account describes a planned trip where Johnny Cay was closed, but the rest of the outing still went ahead. Another describes a day when heavy rain and wind forced a change to Aquarium and a mangrove area, followed by another unsuccessful attempt to reach Johnny Cay the next day.

The operator may offer a different date, an alternative route, or a refund when conditions make the trip impossible. That is sensible because small boats and open water are a poor combination in bad weather. Still, you should ask at check-in exactly what will happen if one island is closed.

If Johnny Cay is the main reason you are booking, do not assume the name guarantees landing there. If your priority is clear water and a half-day at the coast, the trip can still work well with Aquarium and Rocky Cay.

Guide support and the level of interpretation

Cecilia Forbes is the guide most clearly associated with the positive experiences described for this outing. She is praised for being attentive, organized, and helpful with practical advice. She also reportedly speaks English, which matters if you booked in that language.

The guide’s role appears to be more about coordination, timing, and assistance than nonstop narration. You may receive tips about the islands and San Andrés, but much of your time is free time. That suits people who want to choose their own pace.

It may disappoint you if you want a structured lesson about marine life, local history, or island culture. The package includes an internal bay tour, but it is not presented as a specialist nature walk or private sightseeing charter.

Is $39.50 a fair price?

At $39.50 per person, the price is reasonable if you value a reserved place on a small-group boat and want both main stops covered in one morning. You are paying for transportation, staff, and access to a five-hour route, not for meals, drinks, private service, or premium equipment.

The value improves when the boat runs on schedule and both island stops are available. It falls if you are mainly paying for Johnny Cay and that island is closed, or if you expected a guided tour rather than transport and free time.

Extra charges matter. Food and drinks are excluded. A dock tax of 15,000 COP per person is listed, and a separate Rocky Key dock tax of 15,000 COP per person also appears in the cost details. Because the wording may indicate more than one charge, ask the operator to confirm the exact total before departure.

You should also compare the price with a simple boat ride, but do not compare only the fare. A cheaper boat may not include a reserved itinerary, staff coordination, or the same small-group limit. On the other hand, if all you want is a quick ride to one island, the bundled tour may offer more than you need.

What to pack for a better morning

A small, waterproof day bag will make a real difference. Keep electronics, passports, cash, and dry clothes protected from spray.

Pack:

• Water shoes for the rocky bottom at Aquarium
• Your own mask and snorkel if possible
• Reef-safe sunscreen and a hat
• A towel and dry change of clothes
• Waterproof protection for phones and cameras
• Drinking water and snacks, since food and drinks are not included
• Cash for dock charges and possible purchases

Use sunscreen before leaving the pier, then reapply after swimming. The open boat and bright water reflect plenty of sunlight. If you wear contact lenses, consider glasses or eye protection because spray can be strong.

Who will enjoy this tour most?

This outing suits you if you want a simple half-day escape, clear shallow water, beach time, and the convenience of a planned route. It is a good match for couples, friends, solo visitors, and families who can manage boarding and swimming conditions.

It also suits independent people. You can enjoy the islands without staying beside a guide, and three hours at Aquarium gives you room to swim, snorkel, eat, or simply sit by the water.

I would think twice if you need a smooth, dry boat ride, guaranteed access to Johnny Cay, or a detailed guided program. The basic vessel, possible delays, extra fees, and weather changes are real parts of the deal.

Most people can participate, but the information does not provide detailed accessibility guidance. If you have limited mobility or are uncomfortable stepping from a boat into shallow water, contact the operator before booking and ask how boarding works on the day.

Booking, cancellation, and weather rules

Confirmation is provided at booking, and the activity ends back at Muelle Portofino. Free cancellation is available up to 24 hours before the local start time for a full refund. Cancellations or changes made less than 24 hours before departure are not refunded or accepted.

The trip requires good weather. If the operator cancels because of poor conditions, you should be offered another date or a full refund. Weather decisions are outside the operator’s control, but communication is important, so confirm the meeting details and the day’s route before leaving your accommodation.

Should you book the Rocky Cay and Aquarium boat tour?

Book it if your ideal San Andrés morning means clear water, shallow snorkeling, relaxed island time, and a small group. The long Aquarium stop is the main reason to go, and the chance to see fish close to shore makes it worthwhile even for casual swimmers.

Book with caution if Johnny Cay is non-negotiable. Confirm its status before departure, and ask about the dock fees, snorkeling equipment, and exact route. Bring water shoes, waterproof storage, and your own snorkeling gear.

My call: this is a good-value beach outing when you treat it as transportation plus free time, not as a polished guided excursion. The natural setting can be excellent, but the boat is basic and the route belongs to the weather.

FAQ

Where does the tour start?

It starts at Muelle Portofino, Cra. 1 #2304, San Andrés, San Andrés y Providencia, Colombia.

What time does the tour begin?

The scheduled start time is 8:30 a.m.

How long does the experience last?

The tour lasts approximately five hours.

Where does the tour end?

The activity ends back at the Muelle Portofino meeting point.

What stops are included?

The listed stops are Rocky Cay, also called Cayo Rocoso, and Aquarium, also called Cayo Acuario or Rose Cay. The experience name also refers to Johnny Cay, but local authorities or weather may prevent a visit there.

Are food and drinks included?

No. Food and drinks are not included in the tour price.

Are dock taxes included?

No. A dock tax of 15,000 COP per person is listed, along with a separate Rocky Key dock tax of 15,000 COP per person. Confirm with the operator which charges apply to your route.

What happens if bad weather cancels the tour?

If poor weather causes the operator to cancel, you will be offered a different date or a full refund. You can also cancel for a full refund when you do so at least 24 hours before the scheduled start time.