Cartagena: Visit 4 islands in a speedboat + plankton!

The most unusual part of this 12-hour Cartagena excursion comes after sunset, when you board a smaller boat and enter the sea to see luminous plankton glow around you. Before that nighttime finale, you move through the Rosario Islands, Cholón, Tranquila Beach, and Playa Blanca on Barú.

I like the sheer variety: four island stops in one day, plus lunch, shrimp ceviche, a sunset, and a plankton briefing. I also like that hotel pickup, speedboat transport, a life jacket, and the return bus are included. The trade-off is a long, tightly scheduled day with extra charges for the port tax, snorkeling, aquarium, photographs, beach chairs, and drinks.

Key points to know before booking

• The glowing plankton comes after dark: You receive about 20 minutes of explanation before a nighttime boat ride and sea swim.
• Four places are combined in one day: The route covers Rosario Islands, Cholón, Tranquila Beach, and Playa Blanca on Barú.
• The Rosario stop is not a normal beach stop: You are in open water, and swimming there is not part of the visit.
• Playa Blanca is the strongest beach portion: You have sunset time, a beach chair, and a longer guided visit there.
• Spanish is the tour language: The guide service is listed as Spanish only.
• Budget for extras: The port tax is 26,500 COP, while snorkeling, aquarium entry, photographs, drinks, and some chairs cost more.

Four island areas, one very long Cartagena day

This outing is designed for you if you want to pack a lot into a single day. It is not a slow beach escape. You will spend much of the day moving by bus, boat, and smaller speedboat, with short stops at several popular parts of the Rosario and Barú areas.

The advertised price is $62 per person. That can be fair for a full day because transport, lunch, a snack, shrimp ceviche, a guide, beach time, and the plankton excursion are bundled together. Still, the final cost rises once you add the 26,500 COP port tax and any optional activities.

I would treat the tour as a broad introduction rather than a deep visit to any one island. You get a taste of several settings: open sea around Rosario, the party atmosphere of Cholón, a quieter beach stop at Tranquila, and the famous sand at Playa Blanca.

The published score is 3.1 out of 5 from seven ratings, which tells me to book with realistic expectations. The best parts are the Barú stop, the food, and the unusual plankton swim. The weaker parts are organization, crowding, language limits, and extra costs.

Early pickup from Cartagena’s northern hotels

Pickup is offered in Los Morros, Castillo Grande, Bocagrande, and El Laguito. The stated pickup window is roughly 6:50 to 7:10 a.m. in Los Morros and 7:30 to 7:50 a.m. in Bocagrande and El Laguito. You should wait in your hotel lobby and watch WhatsApp for the final plan, which is sent the day before.

The route then uses a bus for about an hour before reaching the port area. The information gives both Muelle de la Bodeguita and Muelle de los Pegasos as port references, so I would confirm the exact meeting point in the WhatsApp message rather than rely only on the general tour description.

This early start matters. You are trying to fit four coastal stops and a nighttime activity into one day, so there is little room for a relaxed morning. Have breakfast before pickup or bring something small, since the included food comes later.

One practical warning: the arrival process at the dock may require attention. A published account describes being dropped off without clear directions and needing help through WhatsApp. I would keep your phone charged, stay with the group, and ask the driver or guide where to check in as soon as you arrive.

Speedboat ride toward the Rosario Islands

The boat ride from the dock takes about an hour. The tour describes it as speedboat transport, while the detailed schedule uses the phrase long-tail boat ride. Either way, expect a fast open-water crossing rather than a quiet ferry trip.

Wear clothes that can handle spray. Comfortable shoes, sunscreen, and light clothing are sensible choices, and I would add a waterproof pouch for your phone. Keep valuables limited because you will be moving between boats, beaches, and water activities.

The Rosario Islands portion begins with a panoramic tour and about 30 minutes of guided explanation. This gives you a look at the island group and its open-water setting, but it is important to understand what you are not getting: the Rosario stop does not offer a regular beach for swimming.

You may be offered snorkeling or a visit to the national aquarium when you arrive. These options are voluntary. The listed prices are 40,000 COP for aquarium entry and either 40,000 or 50,000 COP for snorkeling, depending on which part of the information you follow. Because of that inconsistency, ask for the current price before agreeing.

If you choose neither option, you may wait on the boat for about an hour. That is a significant point. If your main goal is swimming from a beach, Rosario itself may feel disappointing. If you are happy to see the islands from the boat and save your energy for later, the stop works better.

Cholón’s one-hour stop and the cost of convenience

Cholón is scheduled for one hour. This is the shortest, liveliest stop in the middle of the day, and you should expect people offering drinks, food, and other purchases close to the boats.

The included shrimp ceviche gives you a taste of local seafood without needing to arrange a separate meal. Still, bring patience and a clear spending limit. One account describes paying 150,000 COP for three bottles of water and finding the purchase poor value. I would buy drinks only after checking the price and keep extra water with you from Cartagena if possible.

The boat changes are another concern here. The day may involve moving between separate boats for snorkeling, Cholón, and later island stops. That can be awkward if you have a bag, camera, or wet clothes. Pack light and use a small day bag that you can hold securely.

Cholón may appeal to you if you want a social, energetic beach stop. It is less suitable if you want quiet water, long swimming time, or an unhurried lunch. The one-hour limit makes it more of a quick look than a full beach afternoon.

Tranquila Beach brings the main daytime meal

After Cholón, the schedule moves to Tranquila Beach. You have about an hour there, followed by a 45-minute lunch. The meal is included, which gives the $62 price more weight, especially if you do not want to spend your day searching for a restaurant.

The food receives one of the clearest positive notes in the available feedback, and the staff are described as friendly. That does not erase the other problems, but it suggests that lunch is one of the more dependable parts of the day.

Use the Tranquila stop for a reset. You have already spent time on the bus and boat, and the later plankton activity requires you to stay out into the evening. If you want to swim, ask the guide exactly where and when it is allowed, since not every Rosario area stop is a bathing beach.

Do not expect a long meal. Forty-five minutes is enough for lunch, but not for lingering, ordering several drinks, and wandering far from the group. Keep track of the departure time because the boat cannot wait indefinitely for late arrivals.

Playa Blanca and Barú at sunset

Playa Blanca on Barú is the strongest part of the daytime route for many people, and it is the stop I would value most if you want sand and a sunset. The schedule gives you an hour for sunset and another 1.5 hours for a guided visit, although the exact order may vary.

A beach chair is included in the package, but additional chairs and some beach services may not be. Check which chair is covered before settling in. Drinks, beers, and unspecified activities are also extra.

The beach portion is still not private or isolated. Playa Blanca is a well-known beach area, and the tour format places you there during a busy day. The benefit is access without having to arrange your own transport from Cartagena. The cost is that your time is shared with other groups and controlled by the schedule.

I like that sunset is built into the route rather than treated as an accidental bonus. The light changes the feel of the beach, and this is the moment when the day slows down before the nighttime activity. If you care most about photographs, this is also the best planned photo window, while plankton photographs cost an additional 35,000 COP.

Preparing for the luminous plankton swim

The plankton portion begins with about 20 minutes of explanation. You then take a speedboat to the nighttime swimming area, wear a life jacket, and enter the sea for a luminous nocturnal swim.

This is a natural effect, not a staged light show. Tiny organisms in the water can produce points of light when the water moves, so your experience depends on darkness, water conditions, and how much activity is around you. The tour calls it a memorable natural experience, but I would keep expectations flexible rather than expect bright, constant illumination.

You should bring a dry change of clothes, even though the official packing list only names comfortable shoes, sunscreen, and comfortable clothing. A towel is not specifically listed as included, so confirm that before departure.

The photographs cost extra, and you should not assume ordinary phone pictures will capture the effect well. If you want the paid photo service, ask what is included and when the photographer takes the pictures. Keep your own phone protected from salt water.

The activity is not suitable for pregnant women, babies under one year, or people over 70. The sea swim also requires comfort with nighttime water and following instructions while wearing a life jacket. If that sounds stressful rather than exciting, you can ask the operator how much of the plankton portion can be observed without swimming.

Getting back to Cartagena by bus

The return to Cartagena is by bus, not speedboat. The stated tour hours are approximately 8 a.m. to 8 p.m., though hotel pickup begins earlier, and transport times can shift with road and sea conditions.

I would not schedule a dinner reservation immediately after the tour. You may be tired, wet, hungry again, or delayed. One account describes a bus driver dropping passengers in the street rather than directly in front of the hotel, along with uncomfortable driving. That may not happen on every departure, but it is a useful reason to confirm the exact drop-off point and stay alert when leaving the bus.

The return arrangement keeps the cost down and avoids another nighttime sea crossing. It also means the final leg may feel less polished than the island portion. Keep some cash and your phone accessible until you are safely back at your accommodation.

What the $62 price really covers

The base cost includes:

• Hotel pickup in the northern Cartagena areas
• Round-trip speedboat transport for the island portion
• A panoramic Rosario Islands tour
• One hour at Cholón
• Shrimp ceviche
• Tranquila Beach and lunch
• Sunset time at Playa Blanca on Barú
• A beach chair
• Plankton instruction and a snack
• The nighttime speedboat
• Life jacket and guide
• Nighttime sea bathing
• Return bus transport

The port tax of 26,500 COP is not included. Aquarium admission, snorkeling, plankton photographs, beers, and some chairs also cost extra. I would set aside a separate amount for water and optional activities, then confirm every price before handing over cash.

The value is strongest if you want transport and several activities handled in one booking. It is weaker if you prefer to choose your own beach, avoid sales pressure, or spend most of the day in one place.

Who should book this island tour?

I would recommend it to you if you have only one free day in Cartagena and want a packed introduction to the islands. It suits active sightseers who enjoy changing locations, do not mind a long day, and see the plankton swim as the main prize.

It may also work for a Spanish-speaking group that wants lunch, boats, beach time, and an unusual nighttime activity without arranging several separate bookings.

I would be cautious if you need clear English guidance, calm logistics, or a quiet beach day. The listed guide language is Spanish, and the available account describes limited language help, crowded boats, unclear dock instructions, pressure to buy drinks, extra chair costs, and an unpleasant return ride.

Should you book it?

Book this tour if your priority is variety and the luminous plankton swim, and you are willing to accept a long, group-based day with add-on costs. The best parts are the food, friendly staff, Playa Blanca at sunset, and the rare chance to see glowing plankton at night.

Skip it if your dream is a peaceful beach day or a carefully managed English-language tour. In that case, a shorter beach trip with clear pricing may suit you better. If you do book, confirm the dock, snorkeling price, chair arrangements, return drop-off, and whether towels are supplied before departure.

FAQ

How long does the tour last?

The activity lasts about 12 hours. The stated schedule runs from approximately 8 a.m. to 8 p.m., with hotel pickup beginning earlier in some areas.

Where does pickup take place?

Pickup is available in Morros, Castillo Grande, Bocagrande, and El Laguito. The final pickup plan is sent by WhatsApp the day before.

Is the guide service available in English?

The tour information lists Spanish as the guide language. No English guide service is specified.

Does the price include hotel pickup?

Yes. Pickup is included for hotels in the northern Cartagena areas covered by the listed pickup points.

Is the port tax included?

No. The port tax is listed as 26,500 COP per person and must be paid separately.

Can I swim at the Rosario Islands stop?

The information says there are no beaches for bathing at the Rosario Islands stop because the group is in open water. Snorkeling and aquarium entry are voluntary paid options.

Is snorkeling included?

No. Snorkeling costs extra. The supplied information lists the price as either 40,000 or 50,000 COP, so you should confirm the current amount on the day.

Is the luminous plankton swim included?

Yes. The package includes a 20-minute explanation, a speedboat ride for the plankton activity, a life jacket, and nighttime sea bathing. Photographs cost an additional 35,000 COP.