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Published on March 8, 2026

Rosario Islands Day Trip from Cartagena: Beaches, Snorkeling & Relaxation

Just a short boat ride from the historic Walled City of Cartagena lies an archipelago of unparalleled beauty: the Rosario Islands. This Caribbean paradise offers a perfect escape with its crystal-clear turquoise waters, vibrant coral reefs, and pristine white-sand beaches, making it an essential addition to any Colombia itinerary.

The Rosario Islands, officially known as the Corales Islas del Rosario National Natural Park, are a protected marine area renowned for their incredible biodiversity. Whether you're seeking adventure below the surface, tranquil moments on a secluded beach, or simply a refreshing break from the city's bustling energy, a day trip here promises unforgettable memories.

Getting to the Rosario Islands

Embarking on your island adventure typically begins at the La Bodeguita Pier in Cartagena. This central hub is where most tour operators and private boat charters depart for the islands.

Choosing Your Transportation

  • Speedboats:The most common and quickest option, speedboats whisk you away to the islands in about 45-60 minutes, often making multiple stops at different points of interest.
  • Catamarans:For a more leisurely and comfortable journey, catamarans offer a smoother ride, often with music and onboard amenities, taking a bit longer to reach the islands.
  • Private Charters:If you prefer flexibility and exclusivity, a private boat allows you to customize your itinerary, visiting specific islands and staying as long as you wish at each stop.

It's advisable to book your tour or charter in advance, especially during peak season, to secure your preferred option. Most tours depart in the morning, returning to Cartagena in the late afternoon.

Activities and Experiences in the Rosario Islands

The archipelago offers a diverse range of activities, catering to every type of traveler. From exhilarating water sports to serene moments of relaxation, there's something for everyone.

Discovering Pristine Beaches

The Rosario Islands are synonymous with stunning beaches. While many tours include a stop at a private island resort, one of the most famous stretches of sand isPlaya Blancaon Isla Barú. Though technically not part of the core Rosario Islands archipelago, it's frequently included in day trips due to its accessible beauty.

Fun Fact:Isla Barú was once a peninsula, but the construction of the Canal del Dique in the 17th century separated it from the mainland, turning it into an island.

Beyond Playa Blanca, numerous private islands boast secluded coves and exclusive beach clubs, providing a more tranquil setting away from the crowds. These often offer amenities like sun loungers, hammocks, and beachfront restaurants.

Snorkeling and Diving Adventures

As a national natural park, the Rosario Islands are a haven for marine life. The vibrant coral reefs teem with colorful fish, making it an ideal spot for snorkeling and even beginner diving. Most day trips include opportunities to don a mask and fins and explore the underwater world.

  • Coral Gardens:Discover diverse coral formations and schools of tropical fish.
  • Sunken Plane:Some tours include a stop at a shallow site where a small plane wreck has become an artificial reef, attracting various marine species.

Even if you're not an experienced swimmer, many areas are shallow and calm, allowing everyone to enjoy the incredible visibility and marine beauty.

Relaxation and Leisure

For those seeking pure relaxation, the islands deliver. Find a hammock swaying under palm trees, sip on a refreshing tropical drink, and simply soak up the Caribbean sun. Many island resorts offer comfortable lounging areas, swimming pools, and spa services for ultimate rejuvenation.

Kayaking and Paddleboarding

Explore the calm, protected waters at your own pace with a kayak or stand-up paddleboard. This is a fantastic way to navigate around the smaller coves, observe the shoreline, and get some gentle exercise while enjoying the breathtaking scenery.

Exploring Mangrove Tunnels

Some tours offer excursions through the intricate mangrove tunnels that crisscross parts of the islands. These unique ecosystems are vital for marine life and offer a serene, shaded journey through a natural labyrinth. Keep an eye out for various bird species and small crabs.

Visit the Oceanario

Located near Isla Majayura, the Oceanario is a marine conservation center and aquarium. It offers educational shows featuring dolphins and sharks, providing insights into the region's marine biodiversity. While an optional stop, it's a popular choice for families and those interested in learning more about ocean conservation efforts.

Choosing Your Rosario Islands Experience

With various tour options available, selecting the right one depends on your preferences and budget.

  • Group Tours:These are the most common and cost-effective, typically including boat transport, a stop at a specific island or beach (often Playa Blanca or a private resort), lunch, and snorkeling opportunities. They are great for social travelers.
  • Private Island Resorts:Many upscale resorts on islands like Isla Grande, Isla del Encanto, or Cocoliso offer day passes. These provide access to their private beaches, pools, restaurants, and facilities, often with round-trip boat transfers included. This is ideal for those seeking a more luxurious and exclusive experience.
  • Private Boat Charters:For ultimate flexibility, a private boat allows you to create your own itinerary, visit multiple islands, and spend more time at your favorite spots. This is a great option for groups or families.

What to Expect on a Typical Day Trip

Most full-day trips depart between 8:00 AM and 9:00 AM and return to Cartagena between 4:00 PM and 5:00 PM. A traditional Colombian lunch, often fresh fried fish with coconut rice and plantains, is usually included. Drinks might be extra, so check with your tour operator. Snorkeling gear is often provided, but confirming beforehand is a good idea.

Essential Tips for Your Rosario Islands Day Trip

To make the most of your adventure, here are some practical recommendations:

  • Sun Protection is Key:The Caribbean sun is intense. Bring a wide-brimmed hat, sunglasses, and plenty of reef-safe sunscreen. Consider wearing a rash guard for added protection.
  • Stay Hydrated:Drink plenty of water throughout the day.
  • Bring Cash:While some larger establishments accept cards, smaller vendors for snacks, drinks, souvenirs, or additional activities (like massages on the beach) often prefer cash (Colombian Pesos).
  • Wear Water Shoes:Some beaches or boat entry points can be rocky or have broken coral. Water shoes will protect your feet.
  • Protect Electronics:Bring a waterproof bag or case for your phone, camera, and other valuables.
  • Motion Sickness:If you're prone to seasickness, consider taking medication before your boat trip, especially on speedboats which can be bumpy.
  • Respect the Environment:Remember you are visiting a protected marine park. Do not touch or remove coral, dispose of trash properly, and use reef-safe sunscreens.

A day trip to the Rosario Islands is more than just a boat ride; it's an immersion into Colombia's vibrant Caribbean spirit. Whether you're unwinding on a sun-drenched beach, marveling at the underwater world, or simply enjoying the ocean breeze, these islands offer a perfect counterpoint to the historical charm of Cartagena.

Don't miss the opportunity to experience this natural wonder, a true jewel in Colombia's diverse landscape, offering a memorable blend of adventure and tranquility. It's an experience that stands alongside other incredible Colombian destinations like the lush Cocora Valley or the majestic Tayrona National Natural Park in terms of natural beauty.