Mongaguá is a municipality in the state o São Paulo in Brazil. The population in 2006 is 46,977, the population density is 328.11/km² an the aurie is 143 km². The name comes frae the Tupi leid.
The municipality's street plan is on a planned grid runnin frae SSE tae NNW an mony o the hooses are athin sicht o the Atlantic Ocean. The populatit aurie o Mongaguá is near the bottom o steep-slopin an densely forestit muntains. The BR-101 superheich-gate linkin Santos an the soothren pairt o the state runs throu Mongaguá. The freewey tae the ceety o São Paulo is easily accessible an aw. Hoosin developments near the beaches wur built in the 1970s an the 1990s. Prior tae the construction o the hoosin developments, the population wis mainly landwart. Hoosin development continues tae this day.
Thare are twa aboriginal veelages in Mongaguá: Itaóca an Aguapéu, located in the Atlantic Mata reserve. The aboriginal commonty o Aguapéu conceivit o the project Jaguatareí Nhemboé (Walkin an Learnin).