Eucalyptus Island is a small island in the Sacramento–San Joaquin River Delta.
[2][3][4] It is part of Contra Costa County, California.
Its coordinates are 37°51′35″N 121°34′15″W / 37.85972°N 121.57083°W / 37.85972; -121.57083 (Eucalyptus Island)[1], and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981.
[1] It appears on a 1978 USGS map of the area.
This Contra Costa County, California–related article is a stub.