Sado Estuary Natural Reserve
|Sado Estuary Nature Reserve|
Map of Portugal
|Coordinates||38°31′14″N 8°53′32″W / 38.52056°N 8.89222°W|
|Governing body||Instituto da Conservação da Natureza e das Florestas|
Sado Estuary Natural Reserve (Portuguese: Reserva Natural do Estuário do Sado) is a nature reserve in Portugal. It is one of the 30 areas which are officially under protection in the country. It is located between the municipalities of Alcácer do Sal, Comporta and Setúbal.