The Santa Monica Stakes is an American Grade I Thoroughbred horse race run annually in late January/early February at Santa Anita Park in Arcadia, California. Open to fillies and mares age four and older, it is contested on dirt over a distance of seven furlongs. Inaugurated in 1957, through 1959 it was open to horses three-year-olds and up of either sex. The race was run in two divisions in 1961 and 1965.