Solana Beach is a city in San Diego County, California. According to the United States Census Bureau, the city has a total area of 3.6 square miles (9.3 Square kilometer). 3.5 square miles (9.1 Square kilometer) of it is land and 0.1 square miles (0.26 Square kilometer) of it (2.88%) is water. Over 12,000 residents call this small beach community their home. The Pacific Ocean is to the west; the City of Encinitas to the north, and the City of Del Mar to the south. The unincorporated village of Rancho Santa Fe is located on the east side.