About Our Facility Conveniently located on the west side of St. Charles, you’ll find our Randall Road storage facility. Just north of Main Street at 248 Randall Road, located between the Illinois Central Bus Lot and XSport Fitness, we are easy to get to from anywhere in the area. Our enclosed, fully fenced facility offers all of the security features you’ve come to expect from Simply Self Storage. Our St. Charles storage location offers climated controlled storage, vehicle storage, and boat storage. Please contact us to confirm current availability.