Get Secure, Self Storage Near You Monitored and Accessible 24/7. With locations in Columbia and Mt. Pleasant, Safe Storage has a convenient location for your storage needs. State-of-the-art Security, Surveillance and Electronic Gate Access A variety of Self Storage Unit Sizes are Available including Climate Controlled Trusted for 35 Years in the Storage Business 2 convenient locations for your storage needs Columbia 606 Lion Parkway 500+ Standard Storage Units 400+ Climate Controlled Units Covered RV & Boat Storage Sizes From 5'x10' to 25'x55' Mount Pleasant 210 S. Cross Bridges Rd. 260+ Standard Storage Units 140+ Climate Controlled Units RV & Boat Storage Sizes From 5'x10' to 10'x30'