Lido Beach is part of the Hempstead estuary, which is noted for its impressive concentrations of waterfowl, long-legged waders, terns, and shorebirds. Hempstead Bay is one of the largest undeveloped coastal wetland ecosystems in New York. Although small in size and forming only a modest portion of the Bay, Lido Beach provides important habitat for wetland-dependent wildlife.
The Hempstead Harbor is known for its concentrations of shorebirds during migration. Plovers and sandpipers are commonly observed at Lido Beach. Occasionally, such shorebird species as whimbrels, marbled godwits, and pectoral sandpipers may be observed in the management area. Willets nest there in early summer, and glossy ibis have been sighted roosting on the piles of dredge spoil.