 The Cienega became part of the Rancho Cienega de las Ranas, granted to José Antonio Andres Sepúlveda in 1837.The Rancho Bolsa de San Joaquin was combined with Sepúlveda's original lands in 1842 to create the Rancho San Joaquin.Sepúlveda built a large adobe villa near where the present day San Diego Creek empties into Newport Bay.