24/7 Customer Support. At Security Storage, we believe in personalized self storage service because each storage need is as different as the contents you are storing. Security Storage is conveniently located between South McCarran Boulevard and Spice Island Drive in the Vista neighborhood of Sparks, NV. We're just across the street from the K-Mart Distribution Center near I-80, and up the street from the Truckee River and Cottonwood Park. Our clean Sparks storage facility is all ground level with wide aisles, which is ideal for transferring heavy items from your moving vehicle into our garage style storage units.