Welcome to San Marcos Mini Storage, located conveniently across from Fry's Electronics on Bent Avenue just north of San Marcos Boulevard. San Marcos Mini Storage provides exceptionally clean and convenient self-storage in San Marcos with units from a small size of 3'x5' (15 square feet) to our largest exterior unit 22'x22' (484 square feet). San Marcos Mini Storage is part of the San Diego Self Storage family, which is a locally owned and operated network of neighborhood self-storage facilities located throughout San Diego County.