San Diego-based PriceSmart and Grupo Gigante, SA de CV, one of Mexico's largest grocery and retail store chains, today announced the acquisition of the first three properties for their previously announced PriceSmart Mexico joint venture. The three properties are located in Celaya, Irapuato and Queretaro, all north of Mexico City. PriceSmart Mexico has also reached agreement in principal for the lease of a fourth property within Mexico City.