John Steele, a resident of Belfast Maine owned a parcel of land directly ashore from the location of Steele’s Ledge Light and hence the origin of the name of the Monument.

The Monument is just about half a nautical mile from shore and some of the other names include:
The Monument
Belfast Beacon
Belfast Bay Beacon
Belfast Beacon Light
Steele’s Ledge Monument Lighthouse
Steele’s Ledge Lighthouse
Steel Ledge
Steels Ledge