Secure Mini Storage in Great Falls, MT provides secure, safe, and affordable storage solutions 365 days a year for boats, recreational vehicles, RVs, and trailers. Our 250 units come in a variety of sizes: 6x10, 8x10, 10x10, 10x12, 10x14, 10x16, 10x18, 10x20, 12x20, 10x24, 10x30, 12x30, and 15x30 heated units available. Units are available for monthly, 3-month (-5%), 6-month (-10%), and annual (-15%) rentals. Discounts applied for longer rental terms. Our paved and lit spaces can be easily accessed by a semi-truck. We firmly believe that your needs are our top priority, and so we deliver our services in ways that guarantee your satisfaction.