Isla Caja de Muertos – Coffin Island: Beaches and Pirates

Caja de Muertos, often referred to as Coffin Island, is an uninhabited island rich in natural beauty and serenity off the southern coast of Puerto Rico near the city of Ponce. The island is a jewel of the Caribbean, known for its diverse wildlife and protected nature reserve status. 

Within its compact 1.71-mile length and 1.15-mile width, Caja de Muertos offers a unique blend of pristine beaches, dry forests, and a historic lighthouse, beckoning travelers seeking a peaceful escape.

The island’s unique name adds to its mystique. Still, visitors are more likely to encounter lively marine life and lush greenery than tales of pirates and treasure. As part of the Caja de Muertos Nature Reserve, the island is committed to preserving its ecosystems, which include coral reefs and a variety of bird species. 

The island provides an array of activities, such as:

  • Exploring hiking trails that lead to stunning overlooks
  • Snorkeling in the clear waters teeming with aquatic life
  • Relaxing on the untouched beaches

Despite its proximity to the vibrant city of Ponce, Isla Caja de Muertos remains untouched by the hustle and bustle of urban life, offering a tranquil experience amidst the vast blue of the Caribbean Sea. 

The island’s management protects its natural habitats, allowing visitors to enjoy its tranquil shores and stunning vistas.

In this guide, we’ll walk through the island’s lush landscapes and pristine beaches (some of the best in Puerto Rico), uncovering stories and views that promise to leave you in awe.

What to Do: Beaches, Hiking, Activities

Isla Caja de Muertos offers a variety of outdoor activities that cater to nature lovers and adventure seekers alike. Whether lounging on a Blue Flag-certified beach or exploring underwater marine life, this island provides an exceptional backdrop for leisure and exploration.

Beaches and Swimming

  1. Playa Larga (Long Beach): As its name suggests, Playa Larga is known for its extensive stretch of sand. It’s a popular spot for visitors seeking a peaceful beach experience, with ample space for relaxation and beach activities.
  2. Playa Pelícano (Pelican Beach): This is perhaps the most famous beach on Isla Caja de Muertos with its Blue Flag status, a prestigious award indicating high environmental and quality standards. Playa Pelícano is known for its crystal-clear waters and soft sands, ideal for swimming and snorkeling. The beach’s serene environment and the clarity of the water are perfect for observing the vibrant marine life. Pelican Beach is 
  3. Playa Ensenadita: A smaller, more secluded beach, Playa Ensenadita offers a quiet retreat for those looking to escape the more popular spots. Its tranquil setting makes it an excellent place for a more private beach experience.
  4. Playa Blanca (White Beach): Named for its striking white sands, Playa Blanca is another beautiful spot on the island. It’s a bit more remote than Playa Pelícano, offering a sense of seclusion and untouched natural beauty.

Hiking and Exploration

Isla Caja de Muertos offers several hiking trails that allow visitors to explore the island’s diverse landscapes and enjoy its natural beauty. While the island is small, the trails provide a good mix of scenic views and ecological diversity. 

It’s important to note that visitors should be prepared for the hot and dry conditions typical of a dry forest environment while hiking on Isla Caja de Muertos. Carrying water, wearing appropriate footwear, and using sun protection are essential for a safe and enjoyable hiking experience. Additionally, as the island is a protected nature reserve, hikers must stay on designated trails to help preserve the delicate ecosystems.

Here are the main hiking trails on the island:

  1. Trail to the Lighthouse (Faro de Isla Caja de Muertos): This trail leads to the historic lighthouse on the island, a significant landmark. The hike is relatively easy and offers stunning views of the Caribbean Sea. 
  2. Trail to Playa Larga: This trail takes hikers to Playa Larga, one of the island’s most beautiful beaches. It’s a relatively easy hike, suitable for most visitors. The trail offers an excellent opportunity to see local flora and fauna and ends at the serene and picturesque beach.
  3. Nature Trails through the Dry Forest: Isla Caja de Muertos is known for its unique dry forest ecosystem. Some trails meander through this dry forest, allowing hikers to experience the island’s distinct ecological environment. These trails are great for bird watching and observing various plant species.
  4. Coastal Trail: This trail runs along the coastline and offers panoramic sea views. It’s a great way to experience the island’s rugged coastline and enjoy the sea breeze.
  5. Hilltop Trails: Some trails lead to some of the higher points on the island, offering breathtaking views of the surrounding sea and the mainland. These trails are a bit more challenging but rewarding for their views.

Snorkeling and Diving

Underwater enthusiasts can explore vibrant coral reefs teeming with life through snorkeling and diving. The island’s waters boast a variety of marine species, making it a memorable destination for discovering the wonders beneath the waves. By no surprise, it is a common destination for tours organized by the dive shops in this area of Puerto Rico.


History and Significance

Isla Caja de Muertos, often called Coffin Island, is shrouded in legend and history. It features tales of pirates and hidden treasures, a notable lighthouse with significant maritime history, and its current status as a protected natural reserve.

  1. Name Origin: The island’s distinctive name, “Caja de Muertos,” literally translates to “Coffin Island” in English. There are several theories about the origin of this name. One popular belief is that the island’s shape resembles a coffin when viewed from the mainland. Another theory suggests that the name comes from a 19th-century story about pirates. It’s said that José Almeida, a notorious 19th-century pirate, chose Isla Caja de Muertos as a hiding place for his treasure and his cherished lover. According to legend, after returning from a voyage, he discovered that she had died of grief. Overcome with sorrow, Almeida buried her in a copper coffin on the island, with the treasure alongside her. This heartrending tale contributes to the mystique and name of the island.
  2. Indigenous Presence: Before European colonization, the island was likely known to the indigenous Taíno people. However, there is little documented evidence of extensive Taíno activity or settlements on the island.
  3. Colonial Era and Piracy: During the colonial era, the island’s strategic location in the Caribbean made it a potential spot for pirates and privateers. While there are tales and legends of pirates using the island, concrete historical evidence of such activities is still being determined.
  4. Lighthouse and Navigation: One of the island’s most significant historical landmarks is its lighthouse, known as the Caja de Muertos Light. This lighthouse was constructed in the 1880s when the island was under Spanish rule. It played a crucial role in navigation, guiding ships through the Caribbean waters. Though now in ruins, the lighthouse’s remnants are a testament to the island’s maritime significance. 
  5. Nature Reserve Status: In 1980, the island was officially designated a natural reserve. A notable aspect of the reserve is its protected area status, which conserves the island’s rich biodiversity and ecological significance. This categorization plays a crucial role in preserving the unique flora and fauna found here, making it a vital area for wildlife protection and scientific research.
  6. Modern-Day Conservation: Today, Isla Caja de Muertos is recognized for its ecological importance and natural beauty. It is managed by the Puerto Rican Department of Natural and Environmental Resources. Efforts are ongoing to preserve its ecosystems and maintain the island as a destination for eco-tourism and education.

Ecology and Natural Resources

Isla Caja de Muertos is a vital ecological asset due to its rich ecosystems thriving in dry forest areas and surrounding marine environments. This uninhabited island serves as a nature reserve, providing sanctuary for diverse terrestrial and aquatic species.

Flora and Fauna

The island’s dry forests are home to various flora, including species well-adapted to arid conditions. The fauna on the island is equally important, with numerous species of reptiles and mammals. Among these, the endangered hawksbill sea turtles find a safe haven on the beaches for nesting.

Coral Reefs and Marine Life

The waters around Caja de Muertos are known for their coral reefs that host a remarkable range of marine life. These reefs serve as critical habitats for various species of fish and invertebrates. 

The preservation of these reefs is essential for maintaining the island’s biodiversity and the health of the region’s marine ecosystems.

Bird Species

The island supports an array of bird species, with its undisturbed landscapes providing ideal conditions for both resident and migratory birds. 

Here are a few notable species observed on the island:

  • Brown Pelican
  • Red-footed booby
  • Bridled tern

Each species utilizes the island’s unique environment for different purposes, such as feeding, breeding, and nesting, emphasizing the importance of conservation efforts within this nature reserve.


How to get to Isla Caja de Muertos

To visit Caja de Muertos, you have distinct options depending on the day of the week. 

On weekends and holidays, a regular ferry from Ponce to Isla Caja de Muertos operates all day from the harbor. It requires advance booking. To reach this ferry, take Carretera 14 South towards the Port Zone. As you navigate through the port area, which is divided by warehouses, keep an eye out for a brown sign on the median strip directing you left towards La Guancha and the ferry terminal.

The regular ferry service isn’t available on weekdays, but you can charter a private boat. Numerous snorkeling tour operators are available along the coast of Ponce, offering trips to the renowned reef at the northeastern tip of Isla Caja de Muertos. This area is celebrated for its stunning marine life and underwater scenery. These charters offer a unique way to reach the island and a fantastic snorkeling experience.

If you are sailing around Puerto Rico, of course, you can explore Isla Caja de Muertos at your own pace!

Amenities and Facilities

Once on the island, basic amenities are available for convenience. Visitors will find gazebos perfect for picnics, as well as chairs and umbrellas for rent, enabling guests to enjoy the island’s serene beaches comfortably. However, there are no food vendors, so it is advisable to bring coolers with food and beer if desired. Always remember to carry out what you carry in to keep the island pristine.

  • Gazebos: Available on a first-come, first-served basis for shade and relaxation.
  • Rentals: Chairs and umbrellas can be rented to enhance beach time.

Conservation Efforts

Isla Caja de Muertos, often called Coffin Island in English, is designated as a natural reserve. Its protected status is owed to the region’s rich biodiversity and ecological significance. The Department of Natural and Environmental Resources (DRNA) oversees the preservation and maintenance of this extraordinary ecosystem.

Efforts to sustain the area’s pristine condition can be seen in several key initiatives:

  1. Regulation of Access: To minimize human impact, the number of visitors and the nature of their activities are controlled.
  2. Biodiversity Protection: Special attention is given to protecting endemic species and their habitats.
  3. Facility Maintenance: The infrastructure, such as paths and the historic lighthouse, is carefully maintained to support preservation and educational purposes.

After the swathe of earthquakes that impacted Puerto Rico, the DRNA has been particularly vigilant. It aims to ensure that any damage to the island’s natural features is assessed and that the reserve’s integrity is upheld. Additionally, strategies are in place to mitigate the effects of any future seismic events on the island’s ecology.

Preserving Caja de Muertos is a priority for the DRNA, conservationists, and nature enthusiasts who value the island’s untouched landscapes and rich experiences.


Surrounding Attractions

When visiting Isla Caja de Muertos, several noteworthy attractions will be nearby. Each site offers unique experiences and adds to the richness of your visit to Puerto Rico’s southern coast.

Here’s a list of other islands and their main attractions:

  • Isla de Cardona: This charming small island is renowned for its historic lighthouse, creating a picturesque setting. It’s a tranquil haven for picnics and gentle exploration, offering a peaceful escape from the busy mainland. The serene environment of Isla de Cardona makes it an ideal destination for visitors seeking a quiet, leisurely experience amidst natural beauty.
  • Ratones Island: A vibrant destination renowned for its excellent snorkeling and lively beach activities. Accessible via a short and enjoyable boat ride, this island beckons adventure seekers and beach lovers alike. Its crystal-clear waters and abundant marine life make it a favorite among those who love to explore underwater worlds.
  • Morrillito: A hidden gem, Morrillito is less known but incredibly scenic, making it a perfect spot for fishing enthusiasts and nature lovers. Its quiet shores and abundant fishing opportunities offer a serene and rewarding experience for those looking to escape the crowds and enjoy a day of peaceful angling.
  • Isla del Frio: Known for its tranquil ambiance, it is a haven for those seeking solitude and a deep connection with nature. This island offers a peaceful retreat, surrounded by stunning natural landscapes, where visitors can unwind, meditate, or enjoy the tranquility of an unspoiled environment.
  • Isla Mata La Gata: This secluded island offers a unique beach experience, ideal for visitors who prefer privacy and isolation. Its hidden beaches and untouched natural beauty provide a perfect backdrop for a serene day by the sea, away from the hustle and bustle of more populated destinations.
  • Isla de Jueyes: A paradise for divers and snorkelers, Isla de Jueyes is celebrated for its rich and diverse marine life. The island’s underwater ecosystem is a treasure trove for nautical enthusiasts, offering an unforgettable experience exploring the vibrant and colorful world beneath the waves.

In contrast, La Guancha in Ponce is a lively boardwalk area where you can savor local cuisine, embark on boat tours, and soak in the vibrant Puerto Rican culture. The atmosphere is family-friendly, with music and entertainment often enhancing the waterfront experience.


Frequently Asked Questions

This section answers common inquiries about traveling to Caja de Muertos and the experiences it offers.

Leave a Comment

Your email address will not be published. Required fields are marked *