A storage unit includes an anchoring system. The storage unit includes a back wall and transversely spaced apart side walls providing peripheral walls of an interior compartment for storing articles. At least one retaining member is attached to an interior surface of the storage unit and the back wall includes at least one passage therethrough. The anchoring system including at least one anchoring strap member having a proximal end configured to be securely attached to a supporting wall or member adjacent the back wall of the storage unit. The anchoring strap member(s) extend through corresponding passage(s) and each includes a distal end configured for adjustable attachment to a respective retaining member.