Wilderness Landscape & Natural Heritage
Great South Bay is a large coastal lagoon located between Long Island's South Shore and Fire Island in Suffolk County, New York. Spanning roughly 125 square miles, the bay is a vital estuarine system sheltered from the Atlantic Ocean by the narrow barrier island of Fire Island. The bay's shallow waters, averaging 3 to 5 feet in depth, create an ideal environment for diverse marine life, including shellfish beds, scallops, blue crabs, and numerous species of fish. The tidal flow connects it to the ocean through several inlets, maintaining a dynamic ecosystem that supports shorebirds, migratory waterfowl, and coastal wildlife. Historically, Great South Bay has been a hub for commercial and recreational fishing, particularly for scallops and clams, which contribute significantly to the local economy and culture. The bay also serves as an important recreational area offering boating, kayaking, paddleboarding, and sport fishing. Fire Island National Seashore forms the southern edge of the bay, providing protected beaches, hiking trails, and wildlife refuges. Several parks, marinas, and nature preserves dot the northern shore, allowing visitors to explore the diverse habitats inland. Birdwatchers can find rare species in marshes and tidal creeks, while anglers pursue striped bass, fluke, and bluefish seasonally. The area is cherished for its combination of natural beauty, coastal ecology, and recreational potential, attracting visitors who appreciate both water-based activities and quiet wildlife observation. Ongoing conservation efforts aim to protect the bay's water quality and marine populations from the pressures of development and pollution, ensuring its ecological health and recreational value for future generations.
