Franklin Manor-on-the-Bay is an unincorporated community or populated place (Class Code U6) located in Anne Arundel County, Maryland, United States at latitude 38.802 and longitude -76.515, at an elevation of 3 feet. Franklin Manor-on-the-Bay appears on the Deale U.S. Geological Survey Map. Anne Arundel County is in the Eastern time zone (UTC−5).

38°48′05″N 76°30′53″W / 38.80139°N 76.51472°W / 38.80139; -76.51472