I35 Self Storage off Interstate 35 in Belton, Texas offers spacious self-storage facilities with 212 storage units and moving solutions for Central Texas businesses and residents. With a convenient Belton location, we have room to keep your valuables secure and safe. I35 is your one-stop-shop for all your moving and self storage supplies including locks and boxes too. Plus, you can make convenient online payments or contactless reservations. Our self-storage units range in sizes from 5x5, 5x7, 5x8, 5x10, 10x5, 10x10, 10x15, and 20x20. Check out our second location minutes down the road for even larger units and RV, Boat, and vehicle parking as well.