Abstract: A suction-attached shelving system and method is provided. The system includes a suction-based attachment structure including a releasable suction disc, a suction housing, and a suction lever arm. The suction-based attachment structure may be attached to a vertical surface such as a window by using the suction lever arm to establish a suctional engagement of the releasable suction disc and suction housing with the vertical surface. The suction-based attachment structure is connected to a shelf structure by a shelf rotation axle. The shelf structure includes a front portion that may be folded relative to a back portion for ease of transport.