Locust Valley is an affluent hamlet located on the North Shore of Long Island, within the Town of Oyster Bay in Nassau County, New York. Known for its picturesque, rolling landscapes, its historic Gold Coast estates (many now private residences or preserved properties), and its charming village center with upscale boutiques and restaurants, Locust Valley offers a refined and scenic suburban environment. It has a strong equestrian tradition and a reputation for its excellent schools and high quality of life.