Areas Lowest Prices, Fire Resistant Construction, Easy Truck Access, Outside Lights, Your Own Lock & Key, Electronic Security Cameras and Gates. Sizes & Prices: 6 x 10 - $25,10 x 10 - $35,10 x 12 - $38,8 x 17 - $45,12 x 15 - $50,11 x 16 - $50,12 x 25 - $75 RV & Boat Storage - $20