Wisteria Island, also known as Christmas Tree Island, is a federally owned, uninhabited island in the lower Florida Keys 645 yards northwest of the northwestern corner of the main island and city of Key West, Florida, Monroe County, United States. It is located 280 yards north-northeast of Sunset Key, its closest neighbor.
Wisteria Island's area is 106,346 square meters. The nickname Christmas Tree Island comes from the large number of Australian pine trees that grow there. Large numbers of liveaboard boats are moored near the island.
Wikipedia https://en.wikipedia.org/wiki/Wisteria_Island
Coordinates 24°34'4.655" N -81°48'38.976" E