Southwick Beach State Park is a New York State park that lies along an unusual stretch of sandy beach on the eastern shore of Lake Ontario. The park is in size with a length of beach, and is visited annually by about 100,000 people. Immediately to the south is the Lakeview Wildlife Management Area (), which extends the publicly accessible beach by several miles. They are in the Town of Ellisburg in Jefferson County, New York south of the lakeside community of Jefferson Park.