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Puerto Rico: Colonial Streets, Glowing Water

Puerto Rico combines a Spanish colonial capital in Old San Juan, some of the most reliably bioluminescent bays anywhere in the world, and El Yunque, the only tropical rainforest within the US National Forest system, a range of experiences packed into an island small enough to circle by car in a long day.

Old San Juan

Old San Juan's colourful colonial buildings, cobblestone streets, and the imposing Castillo San Felipe del Morro fortress, guarding the harbour since the 16th century, make it one of the best-preserved Spanish colonial cities in the Caribbean.

El Morro's grassy esplanade, facing the Atlantic, is a popular spot for kite-flying and picnics against the fortress walls, particularly in the late afternoon when the light turns golden over the ocean.

Bioluminescent Bays and El Yunque

Puerto Rico holds several of the world's most consistently bioluminescent bays, where microorganisms in the water glow blue when disturbed, Mosquito Bay on Vieques island is generally considered the brightest, best experienced on a moonless night by kayak.

El Yunque National Forest, the only tropical rainforest in the US National Forest system, offers waterfall hikes and a canopy walk through lush jungle just over an hour from San Juan, with El Yunque peak offering views across the island on clear days.

Practical tipBook bioluminescent bay kayak tours around the new moon for the darkest skies and brightest glow, bright moonlight significantly dims the visible bioluminescence.
Dorado Beach, a Ritz-Carlton Reserve

Recommended Stay · Puerto Rico · Dorado

Dorado Beach, a Ritz-Carlton Reserve

★★★★★

A beachfront resort set on the grounds of a former Caribbean estate, with multiple pools, a spa, and direct access to a protected beach and nature reserve.

Things to do

Tours and experiences in Puerto Rico

Skip the line tickets, guided walks and day trips, with free cancellation on most bookings.

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