Coastal marshes at the mouth of the River Guadiana with sand beaches, halophytic scrub, and numerous abandoned saltpans. Human activities include scrub collection, fishing and tourism.
A very important area for breeding, passage and wintering waterbirds.
BirdLife International (2019) Important Bird Areas factsheet: Isla Cristina and Ayamonte marshes and Prado lagoon. Downloaded from http://www.birdlife.org on 20/07/2019.