Marinha Grande is a municipality in the Leiria District, Portugal. The population in 2021 was 39,032, in an area of 187.25 km². The city itself has a population of 32,330. It is located right in the middle of the 700-year-old Leiria pine forest covering 100 square kilometres, and near excellent beaches such as Praia da Vieira, Nazaré, and São Pedro de Moel. The present Mayor is Aurélio Ferreira, elected by the independent movement+MPM, a coalition formed by MPM and+Concelho.