The gymnasium was located on C Deck of the NX class starship Enterprise.
In 2154, the senior staff of Enterprise (with the exclusion of Commander T'Pol) played a game of basketball in the starship's gymnasium. (ENT: "The Forge")
Later the same year, Ensign Travis Mayweather, Lieutenant Malcolm Reed and two other officers used the gymnasium to train, in an attempt to impress three Orion slave girls who were guests aboard Enterprise. (ENT: "Bound")
- The gymnasium was a redress of the shuttlebay set.