The primary coordinate point for Arecibo is located at latitude 18.4724 and longitude -66.7157 in Arecibo Municipio.
The formal boundaries for the Arecibo encompass a land area of 15.53 sq. miles and a water area of 2.42 sq. miles.
Arecibo Municipio is in the Atlantic time zone (GMT -4).
The Arecibo 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.