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Charter a boat from Ponce to an uninhabited island nature reserve with pristine beaches, a 19th-century lighthouse, and some of Puerto Rico's best snorkeling
Charter a boat to Caja de Muertos (Coffin Island) from Ponce on Puerto Rico's southern coast — a 45-minute crossing into the Caribbean Sea. Full-day charters start at approximately $2,000. This uninhabited island nature reserve offers pristine white-sand beaches, excellent snorkeling with sea turtles and coral reefs, and a hiking trail to a beautifully restored 19th-century lighthouse with panoramic Caribbean views. Unlike the heavily visited north coast islands, Caja de Muertos is genuinely off the beaten path — one of Puerto Rico's last untouched island treasures.
Caja de Muertos offers something no other Puerto Rico day trip can: pristine beaches, a historic lighthouse hike, and world-class snorkeling — all on an uninhabited, protected island that most tourists never reach. A private charter from Ponce gives your group exclusive access without the constraints of public ferry schedules.
Unlike most Puerto Rico day-trip destinations that depart from San Juan or Fajardo, Caja de Muertos departs from Ponce on the southern coast. The crossing takes approximately 45 minutes heading due south into the Caribbean Sea. The southern coast waters are typically calmer than the Atlantic side, making for a comfortable crossing. Charter operators handle any required DRNA nature reserve visit permits.
Departure Point
Ponce marina area, southern coast of Puerto Rico
Approximately 45 Minutes
From Ponce; Caribbean Sea crossing to the south
Beach Landing
Anchor in clear water and wade to a pristine beach — no dock needed
Unlike most Puerto Rico day-trip destinations that depart from San Juan or Fajardo on the north and east coasts, Caja de Muertos departs from Ponce on the southern coast. The crossing takes approximately 45 minutes heading due south into the Caribbean Sea. The southern coast waters are typically calmer than the Atlantic side, making for a comfortable crossing. Your captain anchors in the clear shallows off the main beach (Playa Pelícano), where you wade to shore. Note: charter operators typically handle any required DRNA (Departamento de Recursos Naturales y Ambientales) visit permits.
8:00 AM
Board your charter in Ponce and head south into the Caribbean Sea. Coffee and breakfast are served as the crew navigates toward Caja de Muertos. The island's distinctive silhouette becomes visible within 20 minutes.
8:30 AM
The crossing is typically smooth — the southern coast is sheltered from Atlantic swells. Watch for flying fish, frigate birds, and the occasional pod of dolphins as you approach the island.
8:45 AM
Anchor in the crystalline shallows off Playa Pelícano — the main beach on the island's western side. Wade to shore through knee-deep turquoise water to a wide beach of white sand backed by sea grape trees.
9:00 AM
Snorkel the coral reef directly off the beach — healthy elkhorn and staghorn coral, schools of tropical fish, sea fans, and regular sea turtle sightings. The water visibility averages 60–80 feet, some of the clearest in Puerto Rico.
For a boat trip to Caja de Muertos, bring closed-toe hiking shoes for the lighthouse trail, extra water (the island has no freshwater), and reef-safe sunscreen for the pristine marine reserve. Here's the complete packing list:
The southern coast crossing to Caja de Muertos is typically calmer than north coast routes. Yachts and catamarans offer the most comfort for the 45-minute crossing and provide ample deck space for a beach-day charter. Speedboats reduce transit time for groups that want to maximize island time.
The driest months with calm Caribbean seas and excellent snorkeling visibility (60–100 feet). Sea turtle sightings are consistent year-round. The lighthouse hike is more comfortable in the cooler winter months. Book 2–3 weeks in advance during holiday periods.
Warmer water (82–85°F), virtually empty beaches, and excellent sea turtle activity (nesting season is April–November). Afternoon rain showers are possible but usually brief. The southern coast is more sheltered than the north, so crossings remain comfortable.
Pro tip: Visit during sea turtle nesting season (April–November) for the best chance of seeing turtles on the beach and in the water.
The trail to Faro de Caja de Muertos is moderate — approximately 30 minutes each way with some elevation gain through dry coastal forest. The path is well-marked but exposed to sun with little shade. Bring water, wear closed-toe shoes, and start early before the midday heat. Children ages 6+ can manage the hike with breaks.
The exterior and grounds of Faro de Caja de Muertos have been restored and are accessible. Interior access varies — the lighthouse is occasionally open for visitors, but this depends on DRNA staffing. Even without interior access, the hilltop location provides stunning 360° panoramic views of the Caribbean and Puerto Rico's southern coast.
Caja de Muertos is a protected nature reserve managed by the DRNA (Departamento de Recursos Naturales y Ambientales). A visit permit may be required depending on the season and group size. Charter operators familiar with the island typically handle permit arrangements as part of the trip — confirm this when booking.
Discover Puerto Rico's hidden island gem — pristine beaches, a 19th-century lighthouse, sea turtles, and some of the clearest snorkeling water in the Caribbean. Charter from Ponce for a day trip you won't find in any guidebook.
10:30 AM
Follow the marked trail from the beach to the hilltop lighthouse — a moderate 30-minute hike through dry coastal forest. The Faro de Caja de Muertos, built in 1887, has been beautifully restored and offers 360° panoramic views of the Caribbean, Ponce, and the Central Mountain Range.
12:00 PM
Return to the beach for a picnic-style lunch prepared by the crew — fresh seafood, tropical salads, fruit, and cold drinks enjoyed on pristine sand. The beach is uncrowded and shaded by sea grape trees.
1:30 PM
Spend the afternoon swimming, snorkeling a different section of reef, exploring tide pools, or simply relaxing on the beach. The island has several smaller beaches accessible by short coastal walks.
3:30 PM
Reboard the charter for the 45-minute return to Ponce. Dry off on the sun deck as the southern coast of Puerto Rico comes back into view, with the mountains glowing in the late-afternoon light.
Times are approximate and may vary based on sea conditions and group preferences. The lighthouse hike is optional — the trail is moderate but exposed to sun. Bring water and wear appropriate footwear.
Sea turtle sightings are common at Caja de Muertos — hawksbill and green turtles feed in the seagrass beds and around the coral reef. During nesting season (April–November), you may also see nesting activity on the beaches. While sightings are never guaranteed, the protected marine environment makes encounters very likely.
The island has basic visitor infrastructure — marked trails, a few picnic shelters, and composting toilets near the main beach. However, there is no freshwater, electricity, food vendors, or shade structures beyond the sea grape trees. Your charter boat serves as your base for meals, drinks, restrooms, and shade.