Maunabo is a town and municipality of Puerto Rico located in the Maunabo Valley on the southeastern coast, northeast of Patillas and south of Yabucoa. Maunabo is spread over eight barrios and Maunabo Pueblo. It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area. The current mayor of the town is Jorge L. Márquez Pérez and the population in 2020 was 10,589.
Puerto Rico Highway 3(PR-3) at nearly 100 miles long, is the second-longest highway on Puerto Rico. It connects the San Juan neighborhood of Río Piedras to downtown Salinas indirectly around the eastern coast of the island. Highway 3 ranges from a three lane urban avenue in San Juan to a one lane rural road past Fajardo. While other roads connect San Juan, it runs the coastline of Puerto Rico east of San Juan, beginning in Río Piedras near Santurce and goes to Fajardo where it goes south paralleling the coastline to Humacao and Maunabo. It goes up to a mountain-scenic route and goes west to Salinas, where it meets PR-1.
Puerto Rico Highway 53 (PR-53) or unsigned Interstate PR3 is a main tollway that is parallel to Puerto Rico Highway 3, which goes from Fajardo to Salinas. Some segments are still in planning, but when finished it will be about 58 miles (93 km) in length. Two tunnels, about 0.6 mi (1 km) long each, in the towns of Yabucoa and Maunabo were completed in October 2008. It will connect the cities of Fajardo, Ceiba, Naguabo, Humacao, Yabucoa, Maunabo, Patillas, Arroyo, Guayama and Salinas, thus bordering the entire eastern and southeastern coasts of Puerto Rico. Its northern terminus is at PR-3 and PR-194 in Fajardo, and its south terminus is at PR-52 in Salinas.
Puerto Rico Highway 413 (PR-413) is a rural road located at the west point of Rincón, Puerto Rico, and is famous in the island for being the main access to beaches near Tres Palmas and the Rincón Lighthouse, where local and international surfing tournaments take place. It is named the Road to Happiness. This highway begins near PR-115 in downtown Rincón, near the west end of Barrio Ensenada. Then it passes trhough Barrio Puntas and ends at PR-115, near the south end of Barrio Río Grande, heading to Aguada, Puerto Rico.
Puerto Rico Highway 111 (PR-111) is a highway connecting Aguadilla, Puerto Rico at Puerto Rico Highway 2 and Puerto Rico Highway 115 to Utuado, Puerto Rico at Puerto Rico Highway 140.
Puerto Rico Highway 901 (PR-901) is a highway in the southeast coast of Puerto Rico which begins at its junction with PR-182 in Yabucoa and ends at its intersection with PR-760 in Manuabo.
Puerto Rico Highway 301 (PR-301) is a main highway in Cabo Rojo, Puerto Rico. It begins in PR-101, close to PR-100, and goes south all the way to Los Morrillos Light, where it ends. It is the main access to the lighthouse, the Cabo Rojo cliffs, and Playa Sucia.
Puerto Rico Highway 344 (PR-344) is a rural road in Hormigueros, Puerto Rico, beginning from near the municipality's small downtown and ending at PR-348 near the border with San Germán in barrio Rosario. It has narrow lanes, and after about five kilometers becomes one of the most dangerous highways in Puerto Rico, as it goes near a precipice with little or no safety barriers. It serves as a route to Mayagüez via PR-348 which ends in Puerto Rico Alt Route 2.
Puerto Rico Highway 149 (PR-149) is a secondary highway in Puerto Rico that connects the towns of Manatí in the north coast of Puerto Rico, from PR-22 to Juana Díaz in the south coast, ending at PR-1.
The Ruta Panorámica, officially the Ruta Panorámica Luis Muñoz Marín, is a 167-mile (269 km) network of some 40 secondary roads which traverse the island of Puerto Rico from west to east along its Cordillera Central. Most of the route consists of three roads, PR-105, PR-143, and PR-182. The route starts in Mayagüez and ends in Maunabo. The first major segment of the route runs from Mayagüez to Maricao as Route 105, then from Adjuntas to Aibonito as Route 143, and then follows Route 182 toward Maunabo.
Punta Tuna Light is a historic lighthouse located in the southeast of the town of Maunabo, Puerto Rico on a narrow promontory at the southeasternmost point of the island. It was first lit in 1892 and automated in 1989. The light was a third-order lighthouse that served as the primary light connecting the island's southern and eastern lights system. The design was drawn and laid out by Joaquin Gisbert in 1890. The lighthouse construction was initially overseen by Adrian Duffaut. It was built from March 13, 1891, to September 29, 1893. Final construction was taken over by the Spanish Body of Engineers according to annotations of the historian Carlos Moral. It was originally named Faro de Mala Pascua after the cape to the west. Later, it was moved and renamed after the Point of the construction site so the light could perform a double duty warning ships off the Sargent reef. On August 8, 1899, the lighthouse suffered damage from Hurricane San Ciriaco; the town suffered heavy damage. On April 12, 1900, an act of Congress extended the jurisdiction of the Lighthouse Service to the noncontiguous territory of Puerto Rico and adjacent American waters. 1900 The Lighthouse Board took charge of the Puerto Rico lighthouses. September 13, 1928, Devastating Hurricane San Felipe II strikes, again the lighthouse stands firm, but the town housing is nearly totally destroyed. It was once again damaged by Hurricane Maria on Sept 20, 2017. The light's housing, the external facade, and the surrounding vegetation were all damaged, with some trees completely downed. It was listed in the U.S. National Register of Historic Places in 1981. In 2007, the government of Puerto Rico bought an area near the lighthouse to create a conservation area. The structure is being restored by the town of Maunabo and is open to the public. The light is not working and the lens appears to be missing. The lighthouse in a state of disrepair and locked, but one may still view it from the surrounding property.
Puerto Rico Highway 165 (PR-165) is the road that goes from Naranjito to Guaynabo. The highway passes by Toa Alta, Toa Baja, Dorado, Levittown, Cataño and Guaynabo.
Puerto Rico Highway 139 (PR-139) is a two-way secondary highway in the municipality of Ponce, Puerto Rico.
Puerto Rico Highway 136 (PR-136) is a short road in Guayanilla, Puerto Rico.
Puerto Rico Highway 939 (PR-939) is a road located in Maunabo, Puerto Rico. This highway extends from PR-760 in downtown Maunabo to Quebrada Arenas.
Puerto Rico Highway 253 (PR-253) is a tertiary route located in Culebra, Puerto Rico. It goes from the PR-250 on the drawbridge over the Ensenada Canal and runs east, Playa Sardinas II, towards Fulladosa and Punta Aloe. It extends approximately 3.2 km to the access road to Punta del Soldado.
Puerto Rico Highway 722 (PR-722) is a rural road located in Aibonito, Puerto Rico. It begins at its intersection with PR-14 east of downtown Aibonito and ends at the Ruta Panorámica between Robles and Pasto barrios. The traditional Festival de las Flores is celebrated near this road.
Puerto Rico Highway 131 (PR-131) is a road located in Adjuntas, Puerto Rico. It begins at its intersection with PR-135 in Barrio Yayales and ends at Guilarte Forest near Peñuelas municipal limit. Its segment between PR-525 and PR-518 is part of the Ruta Panorámica.
Puerto Rico Highway 200 (PR-200) is a road located in Vieques, Puerto Rico. This highway extends from Mosquito to Puerto Diablo, passing through Isabel II.
Puerto Rico Highway 633 (PR-633) is an east–west rural road located between the municipalities of Ciales and Morovis, Puerto Rico. It begins at its intersection with PR-149 in Hato Viejo barrio and ends at its junction with PR-155 in Barahona.
PR-3 in Talante–Emajagua–Maunabo barrio-pueblo 
