National Storage Affiliates Trust bought Cecil’s Mill Self Storage in Great Mills, MD, from an unidentified buyer. The purchase price wasn’t disclosed. Cecil’s Mill Self Storage, at 20184 Point Lookout Road, has 54,135 net rentable square feet on a 4.06-acre site. The facility contains 482 self storage units, and another 29 units for parking and miscellaneous purposes. Ryan Clark of Tampa, FL-based self storage real estate firm SkyView Advisors represented the seller.