Located in Goa, India, the Zuari estuary is a key geographical feature and one of the state's two major rivers, alongside the Mandovi River. Its economic importance is amplified by its proximity to key ports. Specifically, the port at the mouth of the Zuari estuary is: Marmagao port.
This port is a long-standing and strategically positioned hub on India's west coast, crucial for maritime commerce. Marmagao port facilitates the export of iron ore and various other goods, bolstering both the regional and national economies.