Selby-on-the-Bay Census Designated Place is a census located in Anne Arundel County, Maryland. It appears on the South River USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 19.69 feet (6.00 m) above sea level. The nearest populated place is Selby-on-the-Bay, approximately 0.1 miles to the ENE.