The Peconic Estuary is a coastal ecosystem located on Long Island, New York. It encompasses a series of bays, rivers, and wetlands, providing a habitat for diverse wildlife and plant species. The estuary plays a crucial role in supporting local fisheries and recreational activities, making it an important resource for the surrounding communities. This estuary is part of the larger Peconic Bay System, which includes North Fork and South Fork regions. It is recognized for its unique environmental features, including salt marshes and tidal creeks, which help filter pollutants and protect water quality. Conservation efforts aim to preserve its ecological health for future generations.