Our Secure State of the Art Storage Facility in Rapid City, South Dakota is conveniently located off I-90 (Between Exits 60 and 61) on Eglin Street next to Ace Steel and Recycling. FOX DEN STORE-IT offers over 210 secure storage units with sizes ranging from 5’x10′ up to 12’x50′ (Select sizes available with higher doors and electricity). Our clean secure storage units are perfect for storing vehicles, boats, motorcycles, household items, office supplies and much more!