San Diego County is one of the largest counties in California and the 6th largest county in the United States. The County has a strong Mexican influence given its close proximity to Mexico. The weather in San Diego County is known for its sunny Mediterranean climate and some of the best weather in the world. The landscape offers numerous hills, canyons, mountains, the beautiful San Diego Bay and seventy miles of coastline. Every city and community offers homes for sale that are distinctive in their style and charm.