Various embodiments of shelving systems are disclosed. In some embodiments, the shelving system can include an elongated support member and a plurality of shelves. In certain embodiments, the one or more of the shelves has an accessory. In various embodiments, the accessory has a deployable divider and/or an expandable bottom. Certain embodiments of the shelving system include an attachment mechanism configured to couple a lower portion of the support member to a stationary objection, such as a wall.