Multiple realities
(covers information from several alternate timelines)
(covers information from several alternate timelines)
Bay Farm Island was an island in the San Francisco Metropolitan Area. A bridge connected this island to Alameda. In 1986, its location was labeled on a MUNI system map. (Star Trek IV: The Voyage Home)
In 2259 of the alternate reality, this island was visible on a map of the San Francisco Bay. This map was part of a collection of graphics and video media that were displayed on a powerwall in Admiral Christopher Pike's office at Starfleet Headquarters. (Star Trek Into Darkness)