Rancho San Simeon was a 4,469-acre (18.09 km2) Mexican land grant in present-day San Luis Obispo County, California given in 1842 by Governor Juan Alvarado to José Ramón Estrada.[1] The grant extended along the Pacific Coast from Rancho Piedra Blanca at Pico Creek, south along the coast to San Simeon Creek, [2] and includes the present-day townsite of San Simeon Acres.