South Sister Island is a island located in Indian River County, Florida. It appears on the Vero Beach USGS 7.5-minute topographic quadrangle. The nearest populated place is Indian River Shores, approximately 0.8 miles to the NE.
Indian River County · Florida
South Sister Island is a island located in Indian River County, Florida. It appears on the Vero Beach USGS 7.5-minute topographic quadrangle. The nearest populated place is Indian River Shores, approximately 0.8 miles to the NE.