The primary coordinate point for San Antonio is located at latitude 18.4922 and longitude -67.0985 in Aguadilla Municipio.
The formal boundaries for the San Antonio encompass a land area of 0.48 sq. miles and a water area of 0 sq. miles.
Aguadilla Municipio is in the Atlantic time zone (GMT -4). The elevation is 220 feet.
The San Antonio has a U5 Census Class Code which indicates populated place that is also a census designated place with the same name. It also has a Functional Status Code of "S" which identifies a statistical entity.