Scarborough Marsh is a large salt marsh located in Scarborough, Maine. It covers approximately 3,100 acres and is known for its diverse ecosystems, including tidal flats, salt marshes, and freshwater ponds. The marsh serves as a vital habitat for various wildlife species, particularly birds, making it a popular spot for birdwatching. The area is part of the Scarborough Marsh Audubon Center, which offers educational programs and guided tours. Visitors can explore the marsh through walking trails and canoeing, providing opportunities to observe the unique flora and fauna. The marsh plays an essential role in coastal protection and water quality improvement.