The cemetery is located near Saint Joseph's Catholic Church in Key West, but is operated independently.

Though a newspaper article from 1901 indicates that the board of 11 trustees planned to relocate graves from the Third Street Cemetery, adjacent to St. Raphael's Cathedral (Dubuque, Iowa), to Mt.

Kenneth Mott, owned a Dubuque music store, was buried at the cemetery following his death in an airplane accident with a marker shaped like a Grand Piano.

St Joseph's Chapel Mausoleum is located at the northwest corner of the cemetery.

[3] This building has crypts for mausoleum entombment, columbarium niches for cremated remains and a small chapel for the final committal ceremonies.