Reserve storage units in Milledgeville GA from StorageMart and get the First month free on select units! Visit 1891 N Columbia St or call 478.453.9035. Our storage facility is accessible during our gate hours of 6am to 10pm. Access your stuff at a time that’s convenient for your busy lifestyle. Perimeter fencing and a personalized, PIN-controlled gate ensure only StorageMart customers and staff can access the property. A well-lit property, equipped with video cameras around the facility create a welcoming environment around the clock.