Oak Shores is a census-designated place in northern San Luis Obispo County, central California.

[2] Oak Shores is located on the north side of Lake Nacimiento reservoir.

[2] According to the United States Census Bureau, the CDP covers an area of 5.1 square miles (13.1 km2), all of it land.

The 2010 United States Census[4] reported that Oak Shores had a population of 337.

There were 634 housing units at an average density of 125.2 per square mile (48.3/km2), of which 121 (77.1%) were owner-occupied, and 36 (22.9%) were occupied by renters.