Moriches Bay is a shallow estuary located on the south shore of Long Island, New York. It is part of the larger Great South Bay system and is known for its rich marine life, including various fish species and shellfish. The bay is surrounded by several communities, providing recreational opportunities such as boating, fishing, and birdwatching. The bay is also significant for its ecological importance, serving as a habitat for migratory birds and other wildlife. Efforts have been made to protect and restore the bay's natural environment, ensuring its health for future generations.