Isla Ballena is a island located in Guánica County, Puerto Rico. It appears on the Punta Verraco USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 0.78 feet (0.24 m) above sea level. The nearest populated place is Balneario de Caña Gorda, approximately 1.2 miles to the WNW.