Cartagena: Visit 4 islands in a speedboat + plankton!

Cartagena’s most unusual beach outing comes after dark, when you slip into the sea and watch tiny plankton glow around your hands. Before that nighttime swim, this 12-hour speedboat tour packs in Rosario Islands scenery, Cholón, Playa Tranquila, and Playa Blanca.

I like the range: you get a panoramic island trip and a sunset on Barú, not just one beach stop. I also like that lunch, a beach chair, shrimp ceviche, a snack, life jackets, and return transport are included. The tradeoff is a long, tightly timed day with extra costs, crowded boat transfers, and Spanish-only guidance.

Key points

• Four island-area stops in one day: Rosario Islands, Cholón, Playa Tranquila, and Playa Blanca are joined in one packed route.
• The glowing-plankton swim is the signature moment: A short explanation comes first, followed by a boat ride and nighttime sea bathing.
• Rosario is mainly a boat experience: There is no regular beach bathing stop there, and snorkeling or aquarium entry costs extra.
• Playa Blanca supplies the sunset: You have time for the evening light on Barú before the final plankton activity.
• Expect added charges: The port tax, snorkeling, aquarium admission, chairs, drinks, and plankton photos are not covered.
• This suits active adults: The operator says the tour is not suitable for pregnant women, babies under one, or people over 70.

What the 12-hour day actually feels like

This is not a slow island retreat. It is a full-day circuit built around several stops, two meals or snacks, a sunset, and the nighttime plankton swim. You leave Cartagena in the morning and return around 8 p.m., with pickup beginning as early as 6:50 a.m. in the Los Morros area.

That early start matters. Pickup windows are given by neighborhood, not by a single citywide departure. Los Morros pickups run from 6:50 to 7:10 a.m., while Bocagrande and Laguito pickups run from 7:30 to 7:50 a.m. The meeting point is associated with Cartagena’s docks, including La Bodeguita and the Muelle de los Pegasos, so read the WhatsApp confirmation carefully the day before.

I would treat the schedule as an organized group outing, not an independent boat charter. You are collected by bus, taken to the dock, placed on a boat, moved between stops, and eventually returned to Cartagena by bus. That structure can be useful if you want someone else to handle the route, but it also means you have limited control over how long you stay in each place.

Morning transfers from Cartagena to Rosario

The first overland transfer takes about an hour. From there, the boat portion begins, with a listed ride of about one hour to the Rosario Islands. The boat is described as a speedboat for the round trip, although the itinerary also uses the term long-tail boat for the island transfer.

You should expect wind, sun, spray, and a noisy ride. Wear clothes that can get damp, keep your phone protected, and use sunscreen before you leave the dock. Comfortable shoes are recommended, but you may also want footwear that is easy to remove if you are getting in and out of the boat near the water.

The Rosario portion is a panoramic tour lasting about 30 minutes. This is a good way to see the island group from the water, but do not picture a long beach stop. The instructions are clear that the Rosario section does not provide beaches for bathing because the boat remains out at sea.

At this point, you can buy optional activities on site. Snorkeling and admission to the national aquarium are not included. The stated prices are 40,000 COP for the aquarium and 40,000 COP for snorkeling in the included-cost section, while the practical notes list snorkeling at 50,000 COP. That mismatch is worth confirming before you pay.

If you skip those extras, you may wait on the boat for about an hour. That makes the optional activities important to your enjoyment. If you want a day of constant beach time, Rosario may feel underwhelming. If you enjoy seeing the islands from the water and want the option of snorkeling or an aquarium visit, it gives the morning more variety.

Cholón for one hour and the cost of stopping

The next scheduled stop is Cholón, with about one hour of free time. The tour includes shrimp ceviche, but drinks and other purchases are not covered. Bring Colombian pesos and keep track of prices before ordering.

Cholón is best approached as a lively boat stop rather than a quiet island escape. The available information points to a busy setting with sales pressure and expensive bottled water. One direct account describes paying 150,000 COP for three bottles of water, so I would carry your own sealed water from Cartagena if possible.

That tip is practical, not glamorous. A long day in the sun makes hydration essential, and buying several drinks on the spot can change the value calculation quickly. The operator specifically excludes beers and unspecified activities, so assume that anything beyond the listed food, transport, and equipment comes from your own budget.

The one-hour limit keeps the stop moving, but it also leaves little room to settle in. You may enjoy the lively stop, shrimp ceviche, and open-water setting. You may also find the sales activity tiring, particularly if you prefer quiet beaches.

Playa Tranquila brings lunch and a real pause

After Cholón, the tour goes to Playa Tranquila. The schedule allows about an hour at the beach, followed by a 45-minute lunch. This is the part of the day where you can slow down slightly, eat, and use the beach chair included in the package.

The meal is included, which helps the $62 price make more sense. You are not paying only for a boat ride. The package also covers the guide, life jacket, snack, shrimp ceviche, lunch, and the later transport back to Cartagena.

Still, do not assume every comfort is included. Chairs are mentioned as included for the day, yet the account of the outing reports being asked to pay for beach chairs. The same account also reports extra charges for water. I would ask the guide exactly which chair and beach services are covered before settling in.

Playa Tranquila is a useful middle section in a very long itinerary. You get food and shore time before moving on to Barú. Since the schedule gives only one hour for the beach and 45 minutes for lunch, this is not a place for a leisurely afternoon. Keep your belongings close and be ready when the group is called back.

Playa Blanca and the Barú sunset

The late-afternoon stop is Playa Blanca on Barú Island. The program gives you about an hour for sunset, followed by a longer guided portion listed at 1.5 hours. This is the beach most likely to make the day feel worthwhile if you want classic Caribbean scenery and time beside the water.

The sunset is a smart part of the route. After the morning boat ride and several transfers, the changing light gives you a clear focal point at the end of the beach portion. You also get a final chance to sit in a beach chair, take photos, and enjoy the shore before the nighttime activity begins.

This is also where the schedule may feel confusing. The itinerary lists Playa Blanca once for sunset and again for a guided tour, while the tour description says the plankton experience follows a 20-minute explanation and a separate speedboat ride. I would confirm with the guide where you will wait, when dinner or the snack is served, and when the group moves to the plankton boat.

The strong point here is that Barú receives the most positive treatment in the available account of the experience. The food is also described as good, and the staff as friendly. The weaker point is that beach costs can appear after you arrive, especially chairs and drinks. Bring cash, ask before ordering, and do not assume a beachfront service is part of the $62 fare.

The luminous plankton experience after dark

The plankton swim is the reason to choose this tour over a standard Rosario Islands day trip. You receive about 20 minutes of explanation, take a speedboat to the plankton area, put on a life jacket, and enter the water for a nighttime swim.

The effect comes from tiny glowing organisms in the water. When the water moves, you may see points of light around your hands and body. It is a natural event, so brightness and visibility can vary. The tour promises the bathing experience, but it cannot promise a particular level of glow.

You should be comfortable in dark water before booking. The life jacket is included, and the activity is guided, but this is still a nighttime sea swim. Pregnant women, babies under one, and people over 70 are listed as unsuitable for the tour. The operator also provides a snack, which is useful because the activity comes late in an already long day.

Photos cost an additional 35,000 COP. I would not count on the photos as a substitute for enjoying the swim itself. Phones and ordinary cameras often struggle with dark water, movement, and small points of light. If you want the paid photos, clarify what you receive before agreeing to the charge.

After the swim, you return to Cartagena by bus. The included account raises a serious practical concern about the return: the bus driver reportedly dropped the passenger in the middle of the street rather than directly at the hotel and drove dangerously. That may not happen on every departure, but it is enough reason to confirm the final drop-off arrangement and stay alert when leaving the bus.

What the $62 price covers, and what it does not

At $62 per person, this tour can be fair value if you want a single booking to handle a long day of transport, several stops, food, equipment, and the plankton swim. A separate boat arrangement, meals, and nighttime water activity could cost more, and planning that combination yourself would take effort.

The value drops if you do not want optional purchases. The port tax is 26,500 COP per person. Aquarium entry is listed at 40,000 COP, snorkeling appears as either 40,000 or 50,000 COP in the supplied details, plankton photos cost 35,000 COP, and beers, chairs, and unspecified activities are extra.

The port tax is especially important because it is unavoidable according to the cost breakdown. Add that before comparing this tour with other Cartagena island trips. Also budget for water and any beach purchases. A low headline price can become less low after a full day of add-ons.

The package does include a Spanish-speaking live guide, but no English guidance is promised. If you do not speak Spanish, the route, safety instructions, extra fees, and meeting points may be harder to follow. One account describes the language issue as a real problem, so I would choose this only if you can manage basic Spanish or have someone in your group who can translate.

Who should book this island circuit

I would recommend it to you if you want maximum variety in one day. You see the Rosario Islands from the boat, stop at Cholón, eat at Playa Tranquila, watch sunset at Playa Blanca, and finish with a rare nighttime water activity.

It also suits you if you prefer a package with transport, food, a guide, and equipment arranged in advance. The cancellation policy allows a full refund when you cancel at least 24 hours ahead, and you can reserve now and pay later, which gives your Cartagena plans some flexibility.

I would be cautious if your ideal beach day means one quiet shore, long swimming time, and no sales pressure. This outing involves early pickup, a one-hour bus ride, a one-hour boat transfer, multiple boat changes or loading points, fixed stop lengths, and a late return.

It is also a poor match if you dislike crowded transfers or want detailed guidance in English. The only stated tour language is Spanish. Finally, do not book it if you are pregnant, traveling with a baby under one, or over 70, since the operator lists those groups as unsuitable.

My practical verdict on booking

Book this tour if the luminous plankton swim is your main goal and you want to add Rosario and Barú to the same day. The glowing water is distinctive, Playa Blanca gives the route its strongest beach stop, and the included food and transport add real value.

Skip it if you want a calm, polished beach day. The schedule is crowded, costs can appear on site, the language is Spanish, and the handling of transfers and return drop-off may be uneven. Bring your own water, protect your phone, carry cash, confirm the extra fees, and read the WhatsApp instructions carefully before leaving your hotel.

FAQ

How long does the tour last?

The tour lasts about 12 hours, with the stated schedule running from 8:00 a.m. to 8:00 p.m. Pickup can begin earlier depending on your neighborhood.

Where can hotel pickup be arranged?

Pickup is available in Morros, Castillo Grande, Bocagrande, and Laguito. The listed pickup areas also include Los Morros, Sibarita del Mar, and the northern area of Cartagena.

Where does the island departure take place?

The departure is from La Bodeguita’s dock. The pickup information also refers to the Muelle de los Pegasos before the boat departure.

Which places are visited?

The route includes the Rosario Islands, Cholón, Playa Tranquila, and Playa Blanca on Barú Island. The day also includes a nighttime location for the luminous plankton swim.

Is swimming available at the Rosario Islands?

The Rosario portion does not have a beach for bathing. Optional snorkeling or aquarium admission may be offered there, and you can wait on the boat if you do not join those activities.

Is lunch included?

Yes. Lunch is included, along with shrimp ceviche and a snack.

Are snorkeling and aquarium admission included?

No. Aquarium admission is listed at 40,000 COP per person. Snorkeling is listed at 40,000 COP in one section and 50,000 COP in another, so confirm the current price on site.

What extra fees should I expect?

The port tax is 26,500 COP per person. Plankton photos cost 35,000 COP, while beers, chairs, and unspecified activities are also excluded.

Is the tour offered in English?

The listed live tour language is Spanish. No English-speaking guide is promised.

What should I bring?

Bring comfortable shoes, sunscreen, and comfortable clothing. I also recommend carrying water and protecting your phone from spray during the boat rides.