iStorage Self Storage offers convenient and affordable self storage in Madison. Whether you're looking for temperature control, drive-up access, covered parking, or wide aisles for easy truck access, you'll find a storage unit to fit your needs with us. We make self storage easy with extended gate hours, well-lit grounds and secure facilities. Store with iStorage Self Storage and see why our units are the ideal place for all of your storage needs. Come visit us at 105 Castle Dr