Imagine spending a full day exploring Colombia’s stunning Rosario Islands, a string of 27 islands just off Cartagena’s coast. For $89 per person, you’ll get about seven hours of adventure, guided by friendly experts who are fluent in both English and Spanish. This tour covers a lot—visiting five key islands, snorkeling over coral reefs, sampling local seafood, and ending with a magical night activity watching luminous plankton.
What we love about this experience is how it balances guided sightseeing with free time—you get the best of both worlds. The panoramic tour of the archipelago offers breathtaking views, and the chance to snorkel with fish and even a sunken plane makes it a real highlight. Also, the evening luminous plankton activity is a rare and mesmerizing treat that adds a unique finish to the day.
A possible consideration is the length of travel between stops—while the itinerary is packed, some travelers found the boat rides a bit lengthy, especially if prone to seasickness. It’s worth noting that the tour is generally well-rated but may not be ideal for those with serious medical conditions, pregnant women, or mobility issues.
This tour is perfect for active travelers who enjoy snorkeling, island scenery, and lively atmospheres. It’s especially suited for those looking for a full-day adventure packed with diverse activities, delicious local food, and a touch of nature’s magic at night.
Key Points

- Comprehensive itinerary covering five islands, including snorkeling, sightseeing, and local tasting experiences.
- Guided by knowledgeable guides fluent in both English and Spanish, enhancing understanding and safety.
- Balanced pace with time for relaxing on beaches, sampling seafood, and enjoying the scenery.
- Unique nocturnal activity of luminous plankton, a rare experience that creates lasting memories.
- Value for money, considering the variety of activities, transportation, and food included.
- Limited amenities like towels and bottled water are not included, so plan accordingly.
Exploring the Rosario Islands: What to Expect

While in Cartagena, here are other experiences we've covered
Starting Point and Transportation
Your adventure begins in front of the Torre del Reloj at Plaza de Cervantes, a lively spot in Cartagena. From there, you’ll hop onto an air-conditioned bus that takes you out to Bocachica Island, setting the tone for a comfortable, organized day. The group size is capped at about 100 travelers, which means you’ll experience a lively but manageable atmosphere.
Bocachica Island and Fuerte de San Fernando
The first stop is Bocachica Island, home to the Fuerte de San Fernando—a historical fort with panoramic views and an intriguing story. Here, your guide, maybe named Juan or Sofia, will share insights about the fort’s role and the island’s strategic importance. We loved the informative review about the location and the chance to take photos of the expansive bay.
Rosario Islands Archipelago & Isla Grande
Next, a panoramic tour of the archipelago introduces you to the 27 islands that make up this stunning chain. It’s a chance to see the sheer number of islands and appreciate their diversity.
The highlight for many is the snorkeling stop at Isla Grande. Here, you’ll find a vibrant coral reef teeming with fish, and perhaps even a small plane sunken beneath the waves—an unexpected and fascinating sight. According to reviews, “We loved the way the guide explained the different coral formations and the variety of fish we saw,” making it clear that knowledgeable guides enhance this experience.
More Great Tours NearbyCholón Island: The Party Spot
A lively stop follows at Cholón Island, known as the party island. It’s a fun, energetic place with music, shimmering waters, and a chance to try fresh seafood—a real treat. You can relax, listen to music, and enjoy the vibrant atmosphere. One visitor noted, “Cholón was a blast—music, good food, and a lively crowd. Perfect for a midday break.”
- Private Historical Roman Walking Tour of Cartagena
- Luxury Rewaco Trike “The Fun In The Sun Tour” – (3 hours, Min of 2 Passengers)
- BIG GUNS “Bateria de Castillitos” JEEP WRANGLER (4 Hrs Max 4 PPL)
- Horseback Riding in Cartagena (Spain)
- Luxury Rewaco Trike “The Photo Blaster Tour” – (2 hours, Min of 2 passengers)
- Shore Excursion: Cartagena Half-Day Private Tour
Agua Azul: Beach and Fruit Tasting
Moving on, you visit Agua Azul, a beach with some of the clearest waters in the archipelago. Here, you can swim in the sea, soak up the sun, and enjoy fresh fruit tasting—an excellent way to cool off and recharge. The calm waters make it ideal for a relaxing swim, especially after the snorkeling adventures.
Playa Tranquila and Lunch
The final stop features Playa Tranquila, a peaceful beach where you’ll enjoy a delicious typical Colombian lunch. The menu offers options like chicken, fish, or vegetarian dishes, prepared with local flavors. The three hours allocated here give you ample time to relax, take photos, or simply soak in the sunset. According to reviews, the lunch was hearty and well-prepared, adding great value to the overall experience.
Night Activity: Luminous Plankton
As the day winds down, you’ll head back to Cartagena and enjoy a special nocturnal activity—watching luminous plankton light up the water. It’s a surreal, almost otherworldly experience that many visitors describe as magical. The activity finishes around 8:00 pm, and an air-conditioned bus brings you back to your hotel.
Is this Tour Worth It?

At $89, this tour offers a compelling mix of sightseeing, adventure, and relaxation. The price includes live guides, transportation, and meals—making it a straightforward way to explore without worrying about logistics. The inclusion of snorkeling, island hopping, and the luminous plankton makes it a rich, memorable day.
Most reviews praise the knowledgeable guides and stunning views, noting that these elements truly elevate the experience. The variety of stops means you’re not stuck on a boat the entire time—there’s plenty of land-based exploration and free time.
However, some travelers mention that transportation between stops can be lengthy, so if you’re prone to seasickness or dislike boat rides, it’s worth considering. Also, towels and bottled water aren’t included, so bringing your own might be wise.
This tour is well-suited for active travelers who want to maximize their day, enjoy snorkeling and beaches, and experience the lively local scene. It’s not a quiet, luxury cruise but rather an engaging, well-rounded day of adventure and fun.
Detailed Breakdown of the Itinerary

Meeting and First Stop: Bocachica Island & Fuerte de San Fernando
The tour begins early in Cartagena, with a check-in at the clock tower. Then, a comfortable bus whisks you to Bocachica, where the Fuerte de San Fernando offers a glimpse into Colombia’s colonial defenses. The panoramic views from the fort are spectacular, overlooking the bay and the other islands. Guides share stories about the fort’s history, making it more than just a photo opportunity.
The Archipelago Tour
Next, the boat takes you on a panoramic cruise through the Rosario Islands, with views of lush islands, turquoise waters, and rocky outcrops. This is a fantastic chance to get a sense of the archipelago’s scale and diversity. The guide points out interesting sites and explains the importance of the islands, adding context to what you’re seeing.
Snorkeling at Isla Grande
The waters around Isla Grande are the star of this tour. You’ll don your mask and fins and explore coral reefs, spotting colorful fish and perhaps even an underwater plane wreck. The guides often point out notable sights, and the vibrant marine life makes snorkeling worthwhile. As one reviewer said, “We loved the way the guide explained the different coral formations and the variety of fish we saw,” which highlights how guided commentary can boost the experience.
Cholón Island’s Festive Atmosphere
Cholón is famous for its party vibe. You’ll have time to enjoy music, local seafood, and the lively crowd. It’s a stark contrast to the peaceful beaches, offering a taste of local Caribbean life. Visitors say it’s “a blast,” with good food and a happy, energetic vibe.
Agua Azul: Relaxing Beach and Fruit Tasting
This stop offers calm waters perfect for a swim and an opportunity to try local fruits. Many find this a peaceful respite after snorkeling and island exploration. The clear waters and fine sand make it feel like a tropical paradise.
Playa Tranquila and Lunch
The final stop is a beautiful beach where a hearty Colombian lunch awaits. The three hours give you time to relax, chat with fellow travelers, or take photos at sunset. The meal options are straightforward, with seafood, vegetarian, or chicken dishes, all prepared with local ingredients.
Evening: Luminous Plankton Activity
As darkness falls, you’ll head out for a nighttime cruise to see the luminous plankton. This natural phenomenon is a highlight for many travelers, described as a magical glowing in the water. It’s an experience that leaves a lasting impression, especially for those interested in unique natural wonders.
The Sum Up
This full-day tour of the Rosario Islands offers a lively mix of history, marine adventure, local culture, and natural beauty. For travelers who enjoy snorkeling, island scenery, and local cuisine, it presents excellent value—especially considering transportation, guides, and meals are included. The guides’ expertise adds a layer of richness that helps you understand and appreciate each stop.
While it’s a busy schedule, the variety keeps the day engaging. The luminous plankton at night adds a special touch that makes this tour stand out among many Caribbean experiences. If you’re seeking an active, visually stunning, and culturally immersive day, this tour will meet, if not exceed, your expectations.
This experience is particularly suited for those who want a rundown of the Rosario Islands with plenty of opportunities for photos, snorkeling, and enjoying Colombia’s tropical charm. It’s ideal if you’re short on time but want a full, authentic taste of this beautiful part of the Caribbean.
FAQs
Is the tour suitable for children?
While the tour isn’t specifically designed for children, families with children who are comfortable on boats and enjoy snorkeling will find it enjoyable. However, it’s not recommended for very young children or infants due to the full-day length and boat rides.
Are meals included?
Yes, the tour includes lunch with options for chicken, fish, or vegetarian dishes. You’ll also get to sample local fruits during the day.
What should I bring?
Bring a towel and a reusable water bottle to stay hydrated. Towels are not included, and bottled water isn’t provided, so packing your own is advisable.
Is this tour accessible for people with mobility issues?
No, it’s not recommended for travelers with back problems, heart conditions, or those who require wheelchair access, due to boat rides and walking on uneven surfaces.
Can I cancel the tour?
Yes, you can cancel up to 24 hours in advance for a full refund, offering flexibility if your plans change.
What language are guides available in?
Guides are available in English and Spanish, ensuring clear communication for most travelers.
Will I see the luminous plankton every night?
The luminous plankton activity depends on weather conditions and time of year. It’s a scheduled part of the tour, but natural phenomena can vary, so it’s not guaranteed every night.
In sum, this tour balances sightseeing, fun, and relaxation, making it an excellent choice for active travelers eager to get the most out of their day in Cartagena’s archipelago.
You can check availability for your dates here:More Full-Day in Cartagena
- Full day in the Rosario Islands with lunch Cartagena
- Full day at Isla baru playa blanca in Mambo Beach club
- Full day at isla encantada beach
- FULL DAY BARRANQUILLA AND SANTA MARTA 1 DAY from Cartagena
- Full Day Barú island: Mangrove +Snorkel + Sunset + Plankton
- CARTAGENA: FULL DAY IN CRISTAL BEACH CLUB VIP+LUNCH+SNORKEL
More Tours in Cartagena
- CARTAGENA: BILINGUAL HISTORICAL CITY TOUR IN A TRADITIONAL CHIVA (TRADITIONAL CHIVA)
- Cartagena: Walled City & Getsemani Private Tour
- Cartagena: Horseback Riding Tour with Hotel Pickup
- CARTAGENA: TOUR Chiringuito playa en tierra bomba
- Cartagena: Gabriel García Márquez Private Walking Tour
- Private Tour Cartagena’s Walled City & San Felipe Fortress
More Tour Reviews in Cartagena
- CARTAGENA: BILINGUAL HISTORICAL CITY TOUR IN A TRADITIONAL CHIVA (TRADITIONAL CHIVA)
- Cartagena: Walled City & Getsemani Private Tour
- Cartagena: Mud Volcano Bathing and Beach & Pool Relaxation
- Cartagena: Sunset sailing in the bay of Cartagena + open bar
- Isla Tierra Bomba beach club: Day Pass with typical food
- Cartagena: 1-Hour Paddleboard Rental or Private Lesson
More Cartagena experiences we've covered
- CARTAGENA: BILINGUAL HISTORICAL CITY TOUR IN A TRADITIONAL CHIVA (TRADITIONAL CHIVA)
- Cartagena: Walled City & Getsemani Private Tour
- Cartagena: Mud Volcano Bathing and Beach & Pool Relaxation
- Cartagena: Sunset sailing in the bay of Cartagena + open bar
- Isla Tierra Bomba beach club: Day Pass with typical food
- Cartagena: 1-Hour Paddleboard Rental or Private Lesson
- CARTAGENA: Chiva Tipical Chiva Rumbera night with entrance to the Disco
- Cartagena: Horseback Riding Tour with Hotel Pickup
- Live Makani for two
- CARTAGENA: TOUR Chiringuito playa en tierra bomba
- Cartagena: 2 Tanks Dive Plan For CERTIFIED DIVERS
- Cartagena: PUNTARENA ISLAND with Hotel pickup and drop-off
