Located on Caesar Creek, at the lower end of Biscayne Bay.

The Bache Coast Survey of 1861 shows Porgee Key. Spelled Porgee Key in a 1920 Smithsonian Institution study of Cerion snails.

Porgy Key was the home for many years of "Sir" Lancelot Jones, a long-time resident. Hurricane Andrew in 1992 destroyed the residence.