Atco Lake is a 30 acres (0.12 km) man-made lake located in the Atco section of Waterford Township, New Jersey. The lake is located within Atco Lake Park, which is 77 acres (0.31 km) and is owned by Camden County. The lake is located on U.S. Route 30 (White Horse Pike).

Atco Lake has a large population of weeds and water lilies. Some fish found in the lake include largemouth bass, pickerel and sunfish.