Ponta de Pedras  Ponta de Pedras is a Brazilian municipality located in the state of Pará. Its population as of 2008 is estimated to be 25,743 people. The area of the municipality is 3,365.126 km². The city belongs to the mesoregion Marajó and to the microregion of "Arari". The municipality is contained in the Marajó Archipelago Environmental Protection Area, a sustainable use conservation unit established in 1989 to protect the environment of the delta region.