The Maullín Estuary is a significant coastal wetland located in southern Chile. It serves as an important habitat for various species of birds and marine life, making it a vital ecological area. The estuary is formed by the confluence of the Maullín River and the Reloncaví Sound, providing a rich environment for both freshwater and saltwater species. This estuary is also crucial for local communities, supporting fishing and tourism activities. Its diverse ecosystems contribute to the region's biodiversity, while the surrounding landscapes offer scenic views and recreational opportunities for visitors. The Maullín Estuary plays a key role in the environmental health of the area.