Getting there and around
- Rafael Nunez International Airport · Depends on city traffic and exact lodging; reserve additional time before a scheduled boat

Historic Cartagena, protected Rosario reefs and island days within one trip.
Overview
Pair Cartagena's UNESCO-listed fortified city with guided scuba diving and snorkeling around the Rosario Islands. Licensed departures run from Cartagena, while island stays near Isla Grande can shorten the daily transfer. The marine area forms part of Parque Nacional Natural Corales del Rosario y de San Bernardo, but this guide covers only the Rosario visitor sector, not San Bernardo. Expect boat-selected reefs, coral habitat, mangrove landscapes and community-led Orika excursions. Operators such as Diving Planet advertise beginner introductions, certified two-dive days, snorkeling and pickup at sea-access island hotels. This is a land-based and day-boat destination, including island-hotel night-dive packages, not a verified liveaboard itinerary. Park entry conditions, visitor accident insurance, current site permissions and DIMAR sailing decisions must be checked before departure. Drier months generally run December to April, but wind and cold fronts can still cancel boats.
UNESCO-listed Cartagena and Rosario reef excursions fit in one itinerary without a separate domestic flight.
Use Cartagena for city life and day boats, or Isla Grande for island lodging and operator-arranged sea-access pickup.
Certified scuba and guided surface snorkeling are documented; site-by-site park permissions still govern access.
Quick shortlist before you jump into the full planning page.
Top species linked to approved dive spots in Cartagena and the Rosario Islands.
Community-led Orika mangrove canoeing and living-history walks complement the Cartagena old town and fortifications.

2 linked spots
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Compare boat trips to the Rosario Islands with cruises that stay in Cartagena Bay. Check the departure pier and the stops on your chosen route.
Look for guided scuba near Playa Blanca on Barú. This directory also includes snorkeling trips, so check that scuba is included and confirm the experience requirements.
Look for reef snorkeling in the Rosario Islands or off Barú. Compare the actual swim stops and check whether snorkeling and equipment are included.
Look for guided walks through Cartagena’s walled historic center or the Getsemaní neighborhood. The directory also lists island excursions, so check the meeting point and itinerary.