Eucalyptus Island
# Eucalyptus Island

Eucalyptus Island is a small island in the Sacramento–San Joaquin River Delta. 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), and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981. It appears on a 1978 USGS map of the area.

