Mayagüez, Puerto Rico in the context of "Isla de Mona"

Monito Island (English: Little Mona, Spanish: Islote Monito) is an uninhabited island about 3.1 miles (5.0 km) northwest of the much larger Mona Island. Monito is the masculine diminutive form of Mona in Spanish, which also translates to little monkey in Spanish. It is one of three islands in the Mona Passage, and part of the Isla de Mona e Islote Monito barrio, a subdivision of the municipality of Mayagüez, Puerto Rico.

It is 46.43 miles (74.72 km) from the Puerto Rican mainland, and 35.73 miles (57.50 km) from the island of Hispaniola (the coast of the Dominican Republic).

Desecheo (Spanish pronunciation: [deseˈtʃeo] DES-ə-CHAY-oh) is a small uninhabited island of the archipelago of Puerto Rico in the northeast of the Mona Passage; 13 mi (21 km) from the municipality of Rincón on the west coast (Punta Higüero) of the main island of Puerto Rico and 31 mi (50 km) northeast of Mona Island. It has a land area of 0.589 sq mi (377 acres; 153 ha; 1.53 km). Politically, the island is administered by the U.S. Department of the Interior, U.S. Fish and Wildlife Service as the Desecheo National Wildlife Refuge, but part of the Sabanetas barrio of Mayagüez.

Isla de Mona e Islote Monito is an island-barrio of Mayagüez, Puerto Rico. The U.S. census of 2000 reports six housing units, but a population of zero. The barrio is made up of the islands of Mona and Monito. In 2010, there was a population of 5. This is the largest barrio of Mayagüez by area. The total land area of both islands in the barrio is about 56.93 km (Mona Island 56.783 km and nearby Monito Island 0.147 km), and it comprises 28.3 percent of the total land area of the municipality of Mayagüez. Desecheo Island, 49 km to the northeast, is part of Sabanetas barrio. The Mona Island Lighthouse is located in the barrio. Isla de Mona e Islote Monito is surrounded by the Mona Passage.

Boquerón State Forest (Spanish: Bosque Estatal de Boquerón) is one of the 20 forestry units that make up the public forest system of Puerto Rico. Despite its name, the Boquerón State Forest is not only located in Boquerón, Cabo Rojo but also spans almost 5,000 acres across the municipalities of Cabo Rojo, Lajas and Mayagüez. The forest area is also known for its limestone cliffs, the lighthouse, and the salt flats which have been a source of salt since the pre-Hispanic era and, dating to 700 C.E., they are considered to be one of the oldest industries in the Americas.

Mona Island (Spanish: Isla de Mona) is the third-largest island of the Puerto Rican archipelago, after the main island of Puerto Rico and Vieques. It is the largest of three islands in the Mona Passage, the strait between Hispaniola and Puerto Rico, with the others being Monito Island and Desecheo Island. It measures about 7 miles by 4 miles (11 km by 7 km), and lies 41 mi (66 km) west of Puerto Rico, of which it is administratively a part as one of two islands comprising the Isla de Mona e Islote Monito barrio in the municipality of Mayagüez.

The island is managed under the Mona and Monito Islands Nature Reserve (Reserva Natural Islas de Mona y Monito). There are no permanent inhabitants, as only rangers and biologists from the Puerto Rico Department of Natural and Environmental Resources temporarily reside on the island to manage visitors and take part in research projects. along with the neighboring island of Monito, it forms part of the Mona and Monito Islands National Natural Landmark which recognizes and preserves the ecosystem of the islands as an outstanding example of diversity and natural history. The island is home to a number of endemic species such as the Mona ground iguana, and it is an important seabird area.

Sabanetas is a barrio in the municipality of Mayagüez, Puerto Rico. Its population in 2010 was 4,005.

The Cordillera Central (English: "Central Mountain Range") is the only mountain range in the main island of Puerto Rico, consisting of three subranges: the western-central Cordillera Central, the southeastern Sierra de Cayey, and the northeastern Sierra de Luquillo. Bordered by the Northern Karst Belt to the northwest and costal plains to the north and south, the numerous ridges and foothills of the three subranges combined extend throughout the island. Concentrated in the western to central region of the island, the eponymous main subrange of Cordillera Central originates in the municipality of Mayagüez and merges with the Sierra de Cayey subrange on the town boundary between the municipalities of Barranquitas and Aibonito. At 1,338 meters (4,390 ft) on the town line between Ponce and Jayuya, Cerro de Punta is the summit of the Cordillera Central and the highest point in Puerto Rico.