La independencia municipal de San Martín del Tesorillo Historical milestone · San Martín del Tesorillo, Campo de Gibraltar, Cádiz After nearly 130 years as part of Jimena de la Frontera, San Martín del Tesorillo was constituted as an independent municipality on 2 and 3 October 2018. 2-3 de octubre de 2018 Photo: ZC.Marbella (CC BY-SA 4.0) What to see and do in San Martín del Tesorillo