Manguaba Lagoon

{{Short description|Estuarine lagoon in Alagoas state of northeastern Brazil}}

{{Infobox lake

| name = Manguaba Lagoon

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| location = Alagoas, Brazil

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| type = Estuarine lagoon

| inflow = Paraíba do Meio River

| outflow = Atlantic Ocean (east), Mundaú Lagoon (north)

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| basin_countries = Brazil

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| pushpin_map = Brazil

| pushpin_map_alt = Location in Brazil

| pushpin_map_caption = Location in Brazil

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Manguaba Lagoon (Portuguese {{lang|pt-br|Lagoa Manguaba}}) is an estuarine lagoon in Alagoas state of northeastern Brazil. Manguaba Lagoon receives the Paraíba do Meio River, and is connected to the Atlantic Ocean to the east and Mundaú Lagoon to the north by a network of channels.