Self Storage » Iowa Self Storage » Johnston Self Storage » Self Storage Johnston Self Storage Search Results We've found 2 Johnston Storage Facilities that meet your criteria - Click on any one of them for more information. Refine Search Size 5x5 5x10 5x15 10x10 10x15 10x20 10x30 Features Climate Controlled Drive-up Access Auto/Boat/RV Neighborhood None Found StorageMart 5267 Merle Hay Rd Johnston, IA 50131 866-381-7930 Specials 1st Month FREE!* More Info Need Iowa storage in another city? Need storage in another Iowa zip code? View additional Iowa self storagefacilities?