The best snorkeling in Colombia: three seas, three calendars

Colombia is the only country in South America with a Caribbean coast and a Pacific one, and that fact does more work than the tourist board admits. It does not mean twice as much good snorkeling. It means three separate seas that behave nothing like each other — the mainland Caribbean at Cartagena and Santa Marta, the oceanic Caribbean 700 km offshore at San Andrés and Providencia, and the Pacific at Gorgona — where the month that is perfect for one is the wrong month for the others.

Almost everything published about this country lists the same places under a single season. That is the error. The Rosario Islands off Cartagena, Tayrona National Park east of Santa Marta, San Andrés, Providencia and Santa Catalina, the Darién villages of Capurganá and Sapzurro, and Gorgona in the Pacific share no calendar, no water temperature, no access rule and no price.

Near the mainland, what decides all of it is fresh water rather than salt. This coast is the outflow of the Magdalena and of every stream off the Sierra Nevada de Santa Marta, so visibility is a function of last week’s rain. Where there are no rivers, 700 km offshore, it is not.

Three seas, three calendars

Sea	Clearest months	Water temperature	Typical visibility	What actually goes wrong
Mainland Caribbean — Tayrona, Santa Marta, Taganga	Dec – Apr1	21–24 °C Dec–Apr, 26–29 °C May–Nov1	20–30 m Dec–Apr, 10–15 m May–Nov1	Upwelling makes it clear and cold; the rest of the year, sediment off the Sierra Nevada
Mainland Caribbean — Rosario Islands, Cartagena	Dec – Mar2	24–26 °C Dec–Feb, up to 28–29 °C Jun–Sep2	15–18 m Dec–Mar, 8–12 m Jun–Sep2	The Canal del Dique, which pipes Magdalena water and silt straight past the archipelago
Oceanic Caribbean — San Andrés, Providencia	Dec – Mar, and Jul – Aug3	27–29 °C all year4	15–30 m4	Nothing seasonal, structurally. Trade-wind chop on the east coasts Dec–Apr
Pacific — Gorgona	Whale season, roughly Jul – Oct	25–28 °C	Low, and green	Permanent plankton and river outflow; this is a big-animal coast, not a clear-water one

The line nobody prints is in the first row. On the Colombian mainland, the clearest water of the year is also the coldest. From December to April the trade winds drive an upwelling along the Santa Marta coast that lifts visibility inside Tayrona to 20–30 m — among the best in the Caribbean — and pulls the temperature to 21–24 °C.¹ Divers here wear 5 mm suits in February. Snorkelers turn up in board shorts and last forty minutes.

Every fee, closure, access rule and condition below was checked against the issuing authority or a dated survey on 31 July 2026.

San Andrés and Providencia

Colombia’s good water is not close to Colombia. San Andrés sits 750 km from the mainland and 200 km off Nicaragua, and it is why the country has a reef worth flying for. The archipelago is the core of the Seaflower Biosphere Reserve, designated by UNESCO in 2000, covering over 300,000 km² and holding more than three-quarters of Colombia’s coral reef.⁵ The Sea of Seven Colors is not marketing: it is what clear oceanic water does crossing sand, seagrass, back-reef, crest and drop-off inside a few hundred meters.

What it costs to land. Every non-resident buys a tourist card before boarding — 153,000 COP for 2026, roughly US$38, under Decree 0010 of 8 January 2026: a 116,000 COP card plus a 37,000 COP infrastructure contribution. It is sold at the airline counter at your departure airport, not on arrival. Under-7s and OCCRE-carded residents are exempt, and the same card covers Providencia.⁶

San Andrés

The east coast takes the trade winds and the west coast does not, which decides everything. La Piscinita and West View, on the west side, are the shore entries to plan around: calm, shallow, fish-heavy, twenty minutes from town by taxi or scooter, each charging a few thousand pesos at the gate in cash.⁷ West View has a dock to jump from and better fish diversity. Go on a weekday morning. Rocky Cay, off San Luis, is the one you can walk to — a wade across sand to a cay with a wrecked freighter in a few meters of water. Johnny Cay, El Acuario (Rose Cay) and Haynes Cay are the standard boat circuit: genuinely good snorkeling attached to a genuinely crowded day of vendors, music and a schedule.

Check the dates, because the cays now close. Johnny Cay is a CORALINA-managed regional park with a 15,000 COP entrance,⁸ and under Decree 0048 of 2026 it closes for ecological rest on 2–4 June, 7–9 September and 1–3 December 2026; Rose Cay, Haynes Cay and White Watta close 4–6 May, 3–5 August and 3–5 November.⁹ Nor is that all: in August 2025 the archipelago’s administrative tribunal ordered urgent protection measures for Rose Cay, including a six-month closure, after finding mass tourism with no sanitation and wastewater going straight into the sea.¹⁰ The cays are open and worth doing. They are also being rationed, and a day booked into a closure is a day lost. For the reef without the circuit, dive shops run to Cayo Bolívar, ninety minutes offshore; the island’s thirty-odd dive sites are mostly shallower than 12 m, so a snorkeler on a dive boat here is not just watching bubbles.³

Be honest with yourself about this reef. It is still worth the flight and it is visibly diminished. In November 2023 Colombia’s environment ministry stated that 70% to 80% of the country’s coral reefs had bleached.¹¹ A 29-year series at Little Reef on San Andrés recorded elkhorn coral (Acropora palmata) falling from about 45% cover in 1995 to 1.13% in 2024, the 2023 heatwave causing near-total mortality with no recovery in the 2024 surveys.¹² Stony coral tissue loss disease arrived in April 2022, and CORALINA won a US$1.49 m grant in March 2024 for a three-year probiotic treatment program.¹³ You will still see turtles, rays and plenty of fish. You will also see a lot of dead structure, and it is better to know before you are floating over it.

Providencia and Santa Catalina

Providencia is 90 km further north and has the best snorkeling in Colombia by a distance. The barrier reef along its eastern side runs roughly 32 km and is generally described as the third-largest true barrier reef in the world.¹⁴ Getting there is a 36-minute hop from San Andrés on a Satena ATR 42 — the only airline on the only nonstop route, about 21 flights a week¹⁵ — or four hours by catamaran, which weather cancels often enough that it should not be your last day.

Hurricane Iota is what every 2021-vintage guide omits, and it is the first thing to know. Iota passed about 10 km north as a Category 5 on 16 November 2020 and damaged or destroyed something like 98% of the island’s buildings.¹⁴ The reef survey two weeks later is better news than the photographs of the town suggested: impact at 72% of stations, concentrated in the shallow 5–7 m band and mostly at the level of individual colonies on Orbicella boulders rather than the reef structure, with about 45% of sites classed low or low-to-medium damage and 27% medium or moderate.¹⁶ Providencia then came through the 2023 bleaching better than anywhere else surveyed in Colombia: 7% of colonies bleached, against 40.4% at Varadero near Cartagena and 28.5% at Punta Venado off Santa Marta.¹⁷ Distance from the mainland is doing real work.

Where the rebuild has got to. El Embrujo airport reopened with a new terminal in March 2024, built to stand 280–300 km/h winds and to double as a storm shelter.¹⁸ The Puente de los Enamorados to Santa Catalina is rebuilt and in use, and around seventy properties take bookings, mostly posadas nativas in Aguadulce and Southwest Bay at US$60 to US$170 a night. Housing is another matter: a disaster-agency review in November 2025 reported 26,160 m³ of a targeted 40,000 m³ of debris cleared, thirty pilot homes still under construction, and the rebuilt police, fire and port-authority buildings rejected for structural failure.¹⁹ Providencia works as a destination. It is not yet a town that has finished being repaired.

Old Providence McBean Lagoon National Natural Park is open and covers 995 hectares, about 905 of them marine. Entry in 2026 is 8,000 COP under 25, 16,500 COP for resident adults and 27,500 COP for foreign non-residents, with under-5s and over-65s free, and admission is capped by carrying capacity — book ahead over Christmas, Easter and the June–July holidays.²⁰ Inside it is Crab Cay (Cayo Cangrejo), the island’s set-piece snorkel: a rock outcrop with clear water and fish on every side, open Monday to Saturday 09:00–16:30 and Sunday 09:00–13:30, reached by boat and paid for separately.²⁰ On Santa Catalina, across the rebuilt bridge, the coast path runs out to Morgan’s Head.

The Rosario Islands

Cartagena’s own beaches are not the place. The city sits alongside the outfall of the Canal del Dique, a colonial-era channel that diverts Magdalena River water and its silt into the bay — why Bocagrande is the color it is, and why the Rosario reefs have been under sediment pressure for a century. The project meant to fix it is still pre-operative, now extended to March 2027, so this is the condition for the foreseeable future.²¹ The islands are 25–40 km southwest, inside Corales del Rosario y de San Bernardo National Natural Park, and far enough out to be worth the trip.

Go to Isla Grande, not to “Isla del Rosario”. This is the most repeated error in English-language writing about the archipelago. Isla Rosario itself, and Isla Tesoro with it, is a zona intangible under the park’s management plan — research and monitoring only, out to the 30 m contour. The island the tours visit, and where the snorkeling is, is Isla Grande. The plan expressly permits “natación y careteo con equipo básico” in the general-use zone and forbids it in the intangible one.²²

You pay three separate charges. From 1 January 2026 the park entrance is 13,500 COP, flat, with no nationality or age tiers — unusual for Colombia, and it catches people out both ways.²³ On top come an 18,000 COP dock-use fee²⁴ and compulsory accident insurance of about 8,800 COP per person per day, without which you may not disembark.²⁵ That is roughly 40,000 COP a head before the boat fare, in cash, at the pier. Operators bundle these differently and some quote one inflated “port tax”, so ask what is included.

Boats leave the Muelle de la Bodeguita, outside the old city walls, between 8 and 9 a.m., cross in 45 minutes to an hour, and return by mid-afternoon.²⁶ The water is best from December to March — 50–60 ft of visibility, dropping to 25–40 ft in the June-to-September rains — at 76–78 °F in winter and 82–85 °F by September.²

Playa Blanca on Barú is the beach every cheap tour sells: crowded, hawked, not a snorkeling site, and Cholón is a party anchorage of boats, music and floating bars. Ask the operator whether the itinerary is a snorkeling trip that stops at beaches or a beach trip that stops at a reef, because both are sold under the same photographs. A catamaran excursion to the Rosario Islands anchoring at Isla Grande is the straightforward version; a private boat controls the stops if there are enough of you to split it.

If that sounds too busy, the same park protects the San Bernardo archipelago further south — Isla Múcura, Tintipán, and the astonishingly overcrowded islet of Santa Cruz del Islote — where entry drops to 11,000 COP²³ and boats leave from Rincón del Mar, Tolú or Coveñas. Quieter water, much longer drive.

Tayrona National Park

Tayrona is Colombia’s best-known protected area and the one where the snorkeling is most often misdescribed, because what makes it good is what makes it uncomfortable. From December to April the upwelling lifts visibility inside the park to 20–30 m, the best water on the mainland by a wide margin, and pulls the temperature to 21–24 °C. May to November reverses it: 26–29 °C, with rivers off the Sierra Nevada cutting visibility to 10–15 m.¹ The cold months are also when the marine life is densest.

The park closes three times a year, and this is the thing to get right. Under Respira Tayrona, Parques Nacionales suspends all ecotourism services for three fifteen-day periods. For 2026 those are 1–15 February, 1–15 June, and the autumn window that has run 19 October to 2 November in recent years.²⁷ The dates are set annually and two of them fall inside the best-visibility months, so check them against your flights first. The park also had an unscheduled security closure from 17 February 2026, with land entrances still restricted in mid-June; Parques Nacionales confirmed on 3 July 2026 that Calabazo, Zaino, Palangana and Bahía Concha are open and running normally, 08:00 to 16:00, last entry 14:00.²⁸ Confirm the week you travel, not the month you book.

Entry is tiered by nationality and season. For 2026 a foreign non-resident pays 81,000 COP in low season and 96,500 COP in high, against 36,500 and 43,000 COP for a resident adult — and the ticket is valid for four calendar days, which is what makes a multi-day plan work. High season runs 1 December to 31 January, 1 June to 31 July, Semana Santa, long weekends and the October school break. Bahía Concha is cheaper year-round at 43,500 COP for foreigners.²³

Most of Tayrona’s coastline is not swimmable: the surf on the exposed beaches is genuinely dangerous and the red flags are not decorative. Parques Nacionales names five places where swimming and careteo are permitted — Bahía Concha, Gayraca, Neguanje and Playa del Muerto, Cabo San Juan del Guía, and La Piscina, the natural sea pool on the trail between Arrecifes and Cabo San Juan.²⁸ La Piscina is the one to plan around: a sheltered bay behind a rock barrier, 15–20 minutes’ walk from Arrecifes or an hour from Cañaveral. Playa Cristal, in Neguanje, has the clearest water in the park on a good day and is day-trip only, by boat. Cabo San Juan, the postcard beach, is the busiest and not the best water.

Serious snorkeling here is boat-based out of Taganga, the fishing village beside Santa Marta that has been the region’s dive hub for decades, running to Isla de la Aguja, Granate, Punta Venado and Morro Grande — the same reefs, reached properly.²⁹ A sailing excursion to Tayrona National Park covers the coast; a snorkeling trip with local guides is for people who want to be in the water rather than on it.

Capurganá, Sapzurro and Gorgona

Two places that appear on every Colombian snorkeling list and need describing accurately rather than romantically.

Capurganá and Sapzurro are car-free villages on the Darién coast against the Panamanian border, with the healthiest inshore reef on Colombia’s continental Caribbean precisely because almost nobody goes. In May 2026 the environment ministry expanded the Acandí protected area from 26,232 to 89,260 hectares and renamed it to take in Cabo Tiburón, bringing more than 90% of the Chocó Caribbean’s reef complexes inside one sanctuary.³⁰

The complication is the corridor, not the reef. This coast was the funnel for the Darién Gap migration route, and that traffic has collapsed — from above 82,000 crossings in August 2023 to fewer than 300 in the whole first half of 2026.³¹ Read the travel advice precisely: the UK Foreign Office advises against all but essential travel to Chocó but carves out “the tourist site of Capurganá” by name, and does not extend that to Sapzurro or Acandí; the US State Department’s Level 4 areas do not include Chocó at all.³² Access is by boat from Necoclí, ninety minutes to two hours across the Gulf of Urabá, or Satena from Medellín to Acandí and forty minutes on by boat — no scheduled airline sells Capurganá itself, whatever older guides say. Panama’s side of the same reef is in our guide to snorkeling in Panama.

Gorgona, in the Pacific, is where the list-writers over-promise. A former prison island turned national park, it is one of the great big-animal destinations in the eastern Pacific: humpbacks through the official July-to-October season, which Parques Nacionales opened on 8 July in 2026, plus rays, sharks and turtles, with snorkeling permitted.³³ It is also plankton-rich, green and often low-visibility, and diving is what the operators are equipped for. Go for the whales, not the water.

Two things most pages get wrong. Since the concession expired in August 2023, Gorgona has no lodging and no restaurant — it is a day trip, bookable only through an operator on Colombia’s national tourism register, reached from Guapi by an hour-and-a-half launch. And the 2026 entrance is 77,500 COP for foreign non-residents against 32,000 COP for a resident adult, with vessel and mooring charges on top.²³

If you only get one day in the water

In Cartagena, take the boat to the Rosario Islands between December and March, and choose the operator on where it anchors rather than on price. That is the whole decision.

In Santa Marta, go to Tayrona between December and April, and take a rash guard. Between May and November the water is warm and murky, and a boat day out of Taganga beats a walk to a beach.

If you can add a flight, add it to San Andrés, and the extra thirty minutes to Providencia if you can spare two nights. That reef came through both the hurricane and the 2023 heat better than anything on the mainland, and it is the only water in Colombia that will make a Caribbean regular sit up.

If your dates are July to October, the calculation inverts: that is the worst stretch on the mainland Caribbean, a good one at San Andrés, and the only one with humpbacks in the Pacific.

Where to stay

On San Andrés, the west coast puts you near the shore entries and away from the Spratt Bight crowds. Miraflores Boutique Hotel Adults Only is a short walk from La Piscinita; Hotel Cocoplum Beach is on the quieter San Luis side, near the Rocky Cay wade. On Providencia, book the guesthouse and the Satena seat together and reconfirm both a week out — a canceled catamaran with no seat on the plane is how people lose two days here.

In Cartagena, sleep in the city and day-trip. The oceanfront Hyatt Regency Cartagena sits between the beach and the historic center and can arrange the Rosario boats.

Frequently asked questions

When is the best time to snorkel in Colombia?+

It depends which of the three seas you are going to, and they do not agree. On the mainland Caribbean — Cartagena, Santa Marta and Tayrona — the clear window is December to April, when trade-wind upwelling lifts visibility off Tayrona to 20–30 m and drops it to 10–15 m for the rest of the year (WikiBubbles). The catch is that the same upwelling cools the water to 21–24 °C, so the clearest months are also the coldest. Out at San Andrés and Providencia there is no river and no upwelling, the water sits at 27–29 °C all year, and the driest, clearest stretches are December to March and July to August (Diving Squad). On the Pacific, at Gorgona, the draw is humpback whales rather than water clarity, and they are there from roughly July to October.

Is there good snorkeling in Cartagena?+

Not in the city itself. Cartagena's own beaches sit in the plume of the Canal del Dique, the artificial channel that carries Magdalena River water and silt into the bay, and the water is milky. The snorkeling is out at the Rosario Islands, 45 minutes to an hour by boat from the Muelle de la Bodeguita, where visibility runs 50–60 ft in the December-to-March dry season and 25–40 ft in the June-to-September rains (Nauty360, April 2026). Go to Isla Grande — Isla Rosario itself is a no-entry zone under the park's management plan, which a great deal of travel writing gets wrong. Budget about 40,000 COP a head in cash before the boat fare: 13,500 COP national park entrance, an 18,000 COP dock-use fee and roughly 8,800 COP of compulsory daily insurance, without which you are not allowed to disembark.

How much is the San Andrés tourist card, and does Providencia need one too?+

153,000 COP for 2026, set by Decree 0010 of 8 January 2026 — 116,000 COP for the card itself plus a 37,000 COP contribution to tourist infrastructure, up from 146,000 COP in 2025. It is bought at the airline counter before you board, not on arrival, and children under 7 and OCCRE-carded residents are exempt. The same card covers entry to Providencia and Santa Catalina, so you do not buy a second one (Gobernación de San Andrés, Providencia y Santa Catalina). Budget it as a fixed cost of about US$38 a head on top of the flight.

Is Providencia worth visiting after Hurricane Iota?+

Yes, and it has the best snorkeling in the country. Iota passed about 10 km north of the island as a Category 5 on 16 November 2020 and damaged or destroyed roughly 98% of the buildings, but the reef came through far better than the town did. A survey two weeks later found impact at 72% of stations, concentrated in the shallow 5–7 m band, with about 45% of sites showing low or low-to-medium damage and 27% medium or moderate (Gómez et al., Boletín de Investigaciones Marinas y Costeras, 2022). Providencia also came through the 2023 bleaching better than anywhere else surveyed in Colombia, at 7% of colonies bleached against 40.4% at Varadero near Cartagena (Corales de Paz via Mongabay). El Embrujo airport reopened with a new terminal in March 2024, Satena flies from San Andrés about 21 times a week, and around seventy guesthouses take bookings. The housing reconstruction is still unfinished. Go with modest expectations of the town and high ones of the water.

When does Tayrona National Park close, and what does it cost in 2026?+

Tayrona shuts for three fifteen-day ecological-rest periods a year under the Respira Tayrona program. In 2026 those are 1–15 February and 1–15 June, with the autumn window that has run 19 October to 2 November in recent years. The dates are set annually, so confirm them against your flights (Parques Nacionales). Entry for a foreign non-resident is 81,000 COP in low season and 96,500 COP in high season, and the ticket is valid for four calendar days. High season runs 1 December to 31 January, 1 June to 31 July, Semana Santa, long weekends and the October school break. Swimming and snorkeling are permitted only in the authorised sectors — Bahía Concha, Gayraca, Neguanje and Playa del Muerto, Cabo San Juan, and La Piscina.

What should I bring for snorkeling in Colombia?+

Your own mask, snorkel and fins. Rental gear in Colombia is mostly bundled into boat tours, it is heavily used, and a leaking mask on a 45-minute stop is the difference between seeing the reef and treading water — see our picks for travel-friendly snorkel sets. Two things people underpack here. A rash guard or 2 mm shorty if you are going to Tayrona between December and April, because 21–24 °C water is cold enough to shorten a swim badly. And cash in small notes, because the Cartagena dock fee, the compulsory insurance, the national park entrances and the west-coast pools on San Andrés are all paid in pesos at the gate. The rest of the packing list is in what to wear snorkeling.

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Sources

Footnotes

1. “Tayrona National Park.” WikiBubbles, wikibubbles.com. Seasonal water temperatures (21–24 °C December–April, 26–29 °C May–November), visibility ranges (20–30 m and 10–15 m), the December–April upwelling, and the park’s named dive and snorkel sites. ↩ ↩² ↩³ ↩⁴ ↩⁵

2. “Snorkeling in Cartagena: Best Spots Around the Rosario Islands.” Nauty360, 7 April 2026, nauty360.com. Rosario visibility by season (50–60 ft December–March, 35–50 ft shoulder, 25–40 ft June–September) and water temperature (76–78 °F December–February to 82–85 °F June–September). ↩ ↩² ↩³ ↩⁴

3. “San Andres Diving: Ultimate Guide.” Diving Squad, divingsquad.com. The December–March and July–August dry windows, roughly thirty dive sites, and typical site depths around 36 ft. ↩ ↩²

4. “Diving in San Andres and Providence Islands.” Divescover, divescover.com. Year-round water temperature of 27–29 °C and visibility in the 15–30 m range. ↩ ↩²

5. “Seaflower Biosphere Reserve, Colombia.” UNESCO Man and the Biosphere Programme, unesco.org. Designation in 2000, an area of over 300,000 km², and the reserve holding over three-quarters of Colombia’s coral reefs. ↩

6. “Tarjeta de turismo para ingresar al Archipiélago tiene un costo de $153.000 en 2026.” Gobernación de San Andrés, Providencia y Santa Catalina, sanandresyprovidencia.com. Decree 0010 of 8 January 2026: 153,000 COP total, split 116,000 COP card and 37,000 COP infrastructure contribution; exemptions; purchase at the airline counter; validity for Providencia. ↩

7. “San Andrés Beaches.” We Seek Travel, 27 July 2025, weseektravel.com. Entrance fees at La Piscinita (4,000 COP) and Ecoparque West View (around 5,000 COP), and access times from town. ↩

8. “Parques Regionales Naturales.” CORALINA, coralina.gov.co, consulted 31 July 2026. Johnny Cay Regional Natural Park entrance fee of 15,000 COP under Resolución 667 de 2021. ↩

9. Decreto 0048 de 2026 (Gobernación de San Andrés, Providencia y Santa Catalina) and CORALINA Resolución 051 de 2026, reported 29–30 April 2026, blog.sanandresisla.travel. 2026 ecological-rest closures: Johnny Cay 2–4 June, 7–9 September and 1–3 December; Haynes Cay, Rose Cay and White Watta 4–6 May, 3–5 August and 3–5 November. ↩

10. “Por intervención de la Procuraduría, tribunal ordena medidas urgentes para proteger los ecosistemas de Cayo Acuario.” Procuraduría General de la Nación, 23 August 2025, procuraduria.gov.co. The archipelago’s administrative tribunal ordering a six-month closure of Rose Cay, quarterly three-day closures at Haynes Cay, removal of fixed structures and new carrying-capacity studies, on findings of unmanaged mass tourism and untreated wastewater. ↩

11. “Entre el 70 % y el 80 % de los arrecifes coralinos del país han presentado blanqueamiento.” Ministerio de Ambiente y Desarrollo Sostenible, 22 November 2023, minambiente.gov.co. The ministry’s own figure for national bleaching extent, San Andrés and Providencia included. ↩

12. Pineda-Muñoz et al. “Twenty-nine years of Acropora palmata decline at Little Reef, San Andrés Island, Seaflower Marine Protected Area.” Revista de Biología Tropical 74(S1), 2026. Cover falling from about 45% in 1995 to 1.13% in 2024, and near-complete mortality after the 2023 heat stress with no recovery in 2024 surveys. ↩

13. CORALINA and Perry Institute for Marine Science reporting on stony coral tissue loss disease in the archipelago: first Colombian record in April 2022 at Serranilla and Bajo Nuevo, San Andrés island and Providencia by September 2022, and a US$1,493,983 CORDAP grant awarded in March 2024 for a three-year probiotic treatment program. ↩

14. “San Andrés, Providencia and Santa Catalina.” Sula, sula.com.co. The roughly 32 km Providencia barrier reef; Hurricane Iota on 16 November 2020 and the ~98% infrastructure loss; substantial rebuilding of core tourism infrastructure over 2024–2026; Old Providence McBean Lagoon at 995 ha of which ~905 ha marine; and the 30-minute flight or four-hour catamaran from San Andrés. ↩ ↩²

15. Route data for San Andrés (ADZ) to Providencia (PVA), FlightConnections, updated 31 July 2026, flightconnections.com. Satena as the sole carrier, roughly 21 flights a week, ATR 42 equipment, 36–37 minutes. ↩

16. Gómez, Millán, Acosta-Chaparro, Abril-Howard and Navas-Camacho. “Efectos del huracán Iota sobre las formaciones coralinas de Providencia y Santa Catalina.” Boletín de Investigaciones Marinas y Costeras 51(1): 193–200, 2022. Survey of eleven formations at 2–17 m roughly two weeks after the storm: impact at 72% of stations, concentrated at 5–7 m; about 45% of sites low or low-medium damage and 27% medium or moderate. ↩

17. Corales de Paz monitoring, September 2023, reported by Mongabay Latam, es.mongabay.com. Bleaching at 40.4% of colonies at Varadero, 28.5% at Punta Venado near Santa Marta, and 7% at Providencia, during the alert issued by Colombia’s environment ministry on 27 September 2023. ↩

18. “Nueva terminal del aeropuerto El Embrujo de Providencia.” Ministerio de Transporte / Aerocivil, March 2024, mintransporte.gov.co. The new passenger terminal, its design for 280–300 km/h winds, its secondary role as a shelter, and the expanded apron. ↩

19. “Cómo va la reconstrucción en Providencia.” El Tiempo, 17 November 2025, eltiempo.com. The UNGRD progress report: 26,160 m³ of a targeted 40,000 m³ of debris removed, thirty pilot homes under construction, and rebuilt police, fire and port-authority buildings rejected for structural failure. ↩

20. “PNN Old Providence McBean Lagoon.” Parques Nacionales Naturales de Colombia, parquesnacionales.gov.co, consulted 31 July 2026. Park status “Abierto”; 2026 tariffs of 8,000 / 16,500 / 27,500 COP by category with exemptions; entry subject to carrying capacity and the periods when advance booking is advised; Crab Cay opening hours. ↩ ↩²

21. Reporting on the Canal del Dique restoration project’s pre-operative phase and its extension to March 2027, El Tiempo, 16 July 2026. ↩

22. Resolución 0160 de 2020, Plan de Manejo, Parque Nacional Natural Corales del Rosario y de San Bernardo, Art. 4. The zoning that places Isla Rosario and Isla Tesoro in the zona intangible out to the 30 m contour, and that permits swimming and basic-equipment snorkeling in the general-use zone. ↩

23. Resolución 551 de 19 de diciembre de 2025, Dirección General, Parques Nacionales Naturales de Colombia, parquesnacionales.gov.co, in force from 1 January 2026. The 2026 tariff schedule: Corales del Rosario y de San Bernardo at a single 13,500 COP rate (11,000 COP in the San Bernardo sector); Tayrona’s seasonal, nationality-tiered rates and the four-calendar-day validity; Bahía Concha; vehicle charges; and Gorgona at 19,500 / 32,000 / 77,500 COP. ↩ ↩² ↩³ ↩⁴

24. Reporting on the Corpoturismo dock-use charge of 18,000 COP at Cartagena, raised from 16,000 COP, El Universal, 5 July 2026. ↩

25. Resolución 273 de 2024, requiring accident insurance of roughly 8,800 COP per person per day for visitors to the Rosario Islands, Barú and Cholón, without which disembarking is not permitted; reported by El Tiempo, 14 June 2026. ↩

26. “Rosario Islands: Complete Guide to Day Trips.” Botegena, botegena.com. Departure from the Muelle de la Bodeguita between 8 and 9 a.m., a 45-minute to one-hour crossing, a port tax of about 29,000 COP and compulsory insurance of about 5,000 COP. ↩

27. “Respira Tayrona.” Parques Nacionales Naturales de Colombia, parquesnacionales.gov.co. The three annual fifteen-day suspensions of ecotourism services; 2025 ran 1–15 February, 1–15 June and 19 October to 2 November, and the February and June 2026 windows are confirmed on the same dates. ↩

28. “PNN Tayrona.” Parques Nacionales Naturales de Colombia, parquesnacionales.gov.co, consulted 31 July 2026, with the entrance-status confirmation of 3 July 2026. Park status “Abierto”; Calabazo, Zaino, Palangana and Bahía Concha open; hours 08:00–16:00 with last entry 14:00; and the sectors where swimming and careteo are authorised. ↩ ↩²

29. “Diving in Santa Marta.” PADI, padi.com. The seasonal upwelling on this coast and the named sites reached from Taganga — Isla de la Aguja, Bahía Gaira, Bahía Taganga and Tayrona National Natural Park. ↩

30. Ministerio de Ambiente y Desarrollo Sostenible, 20 May 2026: the expansion of the Acandí protected area from 26,232 to 89,260 hectares and its extension to Cabo Tiburón, covering more than 90% of the reef complexes of the Chocó Caribbean. ↩

31. “Migrant Crossings in the Darién Gap Continue to Plummet.” US Department of Homeland Security, 31 July 2025, dhs.gov; with Panamanian migration figures of fewer than 300 crossings in the first half of 2026, reported 18 July 2026. ↩

32. UK Foreign, Commonwealth and Development Office travel advice for Colombia, updated 22 June 2026, gov.uk, which advises against all but essential travel to Chocó except the tourist site of Capurganá; and the US Department of State Colombia travel advisory dated 31 March 2026, whose Level 4 areas do not include Chocó. ↩

33. “PNN Gorgona.” Parques Nacionales Naturales de Colombia, parquesnacionales.gov.co, consulted 31 July 2026. The July–October humpback season, opened for 2026 on 8 July; snorkeling and diving permitted; access by authorised operators only and the absence of lodging since the concession ended in August 2023. ↩