The Boquerón State Forest comprises a total of 4,772.87 acres (4629.68 acres) located in the southwest of Puerto Rico between the municipalities of Lajas, Cabo Rojo and Mayagüez. It is divided into nine important segments: the mangroves of the Guanajibo neighborhood of Mayagüez, the mangroves of the Joyuda Lagoon, Puerto Real, Boquerón, Wildlife Refuge, part of the salt flats, Molinos, Pitahaya and Montalva Bay. These lands are classified under the subtropical dry forest life zone.