Penny Island USGS DUNCANS MILLS Quad, California, Topographic Map

Penny Island is an Island in the state of California (county of Sonoma), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 38.44686 and W -123.11806. Penny Island is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS DUNCANS MILLS quad. The nearest major town is Duncans Mills, CA.