A shelf system has a shelf component and a support frame component configured to removably support the shelf component in a cantilever fashion in an assembled state of the shelf system. The shelf component has a top surface, a bottom surface, a front end, a rear end, opposite sides between the front and rear ends, and a longitudinal groove formed in the bottom surface between the opposite sides. The support frame component is formed of a base panel having a front side, a rear side, a top end, a bottom end and opposite lateral sides between the top and bottom ends. A pair of support members extend from the front side of the support frame component for supporting a cross member. The longitudinal groove of the shelf component is configured to engage the cross member of the support frame component in the assembled state of the shelf system.