Los Tres Ojos

Los Tres Ojos (the Three Eyes) is a national park in Santo Domingo Este, on the Avenida de Las Américas between the city and the airport. It protects an open-air limestone cave system with underground lakes of clear, still water, ringed by stalactites and hanging plants. It is one of the capital's best-known natural sights and an easy stop on the way to Boca Chica or to catch a flight.

A staircase carved into the rock takes you down to the first cave. The three main lakes, the "eyes", are Lago de Azufre (the sulfur lake, discovered in 1916), La Nevera (the coldest) and Lago de las Damas. A fourth lagoon, Los Zaramagullones, is open to the sky and reached by a small raft that is pulled across La Nevera by rope. The fourth lake is the most dramatic, with jungle walls rising around the water, so it is worth the short crossing. The lakes were used by the island's Indigenous people for rituals.

Practical details: plan on about an hour. Visiting all four lagoons involves a few hundred steps (one source counts 346) on uneven, sometimes damp stone, so wear shoes with grip and take it slow if you have mobility issues. The caves are cooler than the street, a welcome break in the afternoon heat. Opening hours are usually given as roughly 8:30 or 9 a.m. to about 5:30 p.m. daily. The entrance fee is small and paid in pesos; recent reports put it at a few US dollars, with a small extra charge for the raft, but amounts vary between sources, so bring cash and confirm at the gate. Unofficial guides offer their services at the entrance; they are optional.

Getting there: taxi or ride-hail car from the Zona Colonial in about 15 to 25 minutes depending on traffic, or combine it with a Boca Chica day. Many Santo Domingo city tours also include it, with admission in the tour price. Swimming in the lakes is not allowed.

Best for: a short nature break during a city stay, families with kids old enough to handle stairs, and layover travelers with a few spare hours. Pair it with a swim at Boca Chica and dinner back in the Zona Colonial.