Coordinates: 22°57′36″S 44°02′27″W / 22.96000°S 44.04083°W / -22.96000; -44.04083
Mangaratiba (Portuguese pronunciation: [mɐ̃ˈɡaɾaˈtʃibɐ]) is a municipality located in the Brazilian state of Rio de Janeiro. Its population is 29,272 (2005) and its area is 352 km².
Many large bulk carriers enter the port of Mangaratiba, fetching heavy loads of iron ore bound for especially European ports. As such, the port of Mangaratiba is one of the largest in Brazil.