[3] During World War II, the United States military purchased about two thirds of Vieques as an extension to the Puerto Rican mainland's Roosevelt Roads Naval Station, including the area surrounding the Puerto Ferro Lighthouse.

The Puerto Ferro Lighthouse is now part of the Vieques National Wildlife Refuge.

[4] Although in poor condition and completely sealed in by brick or concrete, the structure is a good example of official neo-classic minor lighthouse style.

[2] The lighthouse is now open to the public, accessible by a gravel road which is immediately to the right of the gate upon entering the Refuge.

This article about a Puerto Rican building or structure related topic is a stub.