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.