Grand Bay National Wildlife Refuge was established in 1992, covers an area of 32,000 acres and is the habitat of salt marshes.
Grand Bay National Wildlife Refuge was established in 1992 under the Emergency Wetlands Resources Act of 1986 to protect one of the largest expanses of undisturbed pine savanna habitats in the Gulf Coastal Plain region. The refuge is located near Grand Bay, Alabama in Mobile County, Alabama and Jackson County, Mississippi, and when complete will encompass over 32,000 acres (130 km). The habitat is varied and includes wet pine savannah, maritime forest, tidal flats, nontidal wetlands, salt pans, salt marshes, bays and bayous. 
1992 32,000 acres (130 km) The habitat is varied and includes wet pine savannah, maritime forest, tidal flats, nontidal wetlands, salt pans, salt marshes, bays and bayous. 
