Located along the eastern edge of St. Bernard and Plaquemines Parishes, the Breton Sound Basin has long served as a natural buffer protecting communities from storm surge and coastal flooding. However, decades of storms, subsidence, and reduced sediment input from the Mississippi River have caused extensive land loss, leaving residents increasingly exposed to the impacts of hurricanes and rising seas.

The Breton Landbridge and Marsh Creation projects focus on a series of restoration features extending from the northern reaches of Delacroix through Grand Lake, where several components are now nearing completion, to the southern portion of the Landbridge, where approximately 800 acres of new marsh creation are advancing through design. These areas contain some of the most rapidly deteriorating wetlands in the basin.

Through multiple marsh creation cells, terrace fields, and hydrologic improvements, CPRA is rebuilding the interior marsh platforms that anchor the Landbridge and help slow the Gulf’s encroachment into St. Bernard Parish. Collectively, these coordinated projects strengthen the natural corridor that protects communities across St. Bernard Parish.