San Salvador de la Punta, a stone-bastioned work west of harbor entrance, with small advanced and detached work, built on a rock near harbor mouth.
La Reina, a stone work, in shape the segment of a circle, placed on the seacoast, at western limits of city, on an inlet called San Lazardo.
Santa Clara, a small but powerful seacoast battery of stone and earth, placed about 1 1/2 miles west of harbor.
El Principe, a stone-bastioned redoubt west of Havana.
Nos. 3 A, 3 B, and 4 are earthen redans on the seacoast west of Havana.
There are, in addition, several works built for defense, but now used for other purposes or abandoned. These are:
The Torreon de Vigia, a martello tower placed on the inlet of San
Lazaro opposite La Reina.
The old fort called La Fuerza, built three hundred and fifty years ago, near the present Plaza de Armas, and now used for barracks and public offices.
The work called San Nazario, situated north of El Principe, but now used in connection with the present cartridge factory, abandoned for defensive purposes.
The partially constructed fort called Las Animas, southeast of
Principe, lying on a low hill, partly built but useless and unarmed.