Get to know Puerto Plata through three distinct discoveries: the mangroves around the Santuario de Mamíferos Marinos Estero Hondo, the coral-surrounded sandbar of Cayo Arena, and the historical reconstructions at Parque Histórico de La Isabela. Each place has a different focus. You can shape your trip around whether you are particularly interested in protected areas, a marine environment or historical reconstructions.
Mangroves and conservation history at Estero Hondo
The Santuario de Mamíferos Marinos Estero Hondo has been protected under Presidential Decree No. 1315 since 1983. Until 2004, it was part of Parque Nacional Montecristi; it was then incorporated into the law on protected areas through Article 37, Paragraph 8 of Law 202-04. These milestones give the protected area a history of its own, which can be considered alongside its landscape.
Its designated area comprises 22 km² of land and 16.98 km² of sea. The separate measurements make clear that the Santuario includes both land and marine areas. It is surrounded by red, white, buttonwood and black mangroves. The description offers nature enthusiasts two specific points of reference: the different proportions of land and sea and the variety of mangrove types mentioned. If you want to understand Puerto Plata primarily through its protected areas, this offers a different perspective from a historic site or an excursion to a sandbar in the sea.
Cayo Arena: a sandbar in a marine area
Cayo Arena, also known as Cayo Paraíso, is a sandbar surrounded by coral within Parque Nacional Sub-Marino de Montecristi. In the park’s marine area in the province of Puerto Plata, it is the main area designated for public use. The name conveys a clear connection between landform and protected area: the sandbar does not stand alone but lies within a designated marine park.
Boats travel to Cayo Arena from nearby beaches or from the nearby Bahía de La Isabela. Check current departure options in advance when planning an excursion. The tour takes you to a different kind of landscape from the mangroves of Estero Hondo: here, the focus is a small sandbar surrounded by coral in a marine area. The two places can therefore be distinguished by the natural environment you want to experience, without treating them as a single experience.
Reconstructed history at La Isabela
Parque Histórico de La Isabela recreates the first city of the New World and lies within Parque Nacional La Hispaniola. The 2014 inventory lists a museum and areas in the Parque Histórico that recreate the way of life of earlier inhabitants, as well as infrastructure built later. The presentation brings together different aspects of the site: ways of life and infrastructure appear side by side, rather than the visit being limited to a single exhibit.
The 2014 inventory also lists walking trails and a sales area within the site. Check which areas are currently accessible before your visit. What sets La Isabela apart from the two natural sites is its reconstructed setting: it focuses attention on depictions of earlier ways of life and later infrastructure. Parque Nacional La Hispaniola includes the Parque Histórico, placing the historic site within a national park as well.
This gives you a clear contrast when choosing what to see in Puerto Plata: Estero Hondo represents mangroves and a designated land and marine area, Cayo Arena a coral-surrounded sandbar in a marine park, and La Isabela reconstructed history. These differences help you prioritize excursions according to your interests, without assuming a set order or trip duration.
Discover more destinations
Discover more destinations: Sosúa, Luperón, Puerto Plata, Cabarete, Camu, Punta Rucia, Cofresi, Angostura, Tubagua, Villa Isabela.
Go to the main travel overview: Dominican Republic.
