El Cañuelo Fort, Toa Baja PR.

This fort was originally built in wood in 1610. Due to its location at the entrance of the bay of San Juan, and right across the Fort San Felipe del Morro, across the bay, provided a strategic point to create a crossfire for any invading ships attempting to enter the bay. The story goes that a giant chain was raised through entry (from El Morro to the Cañuelo) To provide a barricade at the entrance.

The fort also guarded the mouth of the Bayamón on the other side. The fort played an important role in the attack Dutchman to the island. At that time it was burnt completely. However, the Spanish rebuilt it in 1670. Strong square, measuring about 80 feet (24 meters) across, with a guardhouse. Originally built on a rocky islet near Cabras Island, was expanded to Artificially Incorporated.

Although difficult to find for tourists, the site features fabulous views of the bay of San Juan and Boca Vieja west side. The fort interior is closed to the public, but one can walk around. Isla de Cabras is connected to the mainland by a causeway.