Abstract: A portable seat and storage apparatus combining the multifunctional capacities of a chair, backpack, and storage device. The device incorporates a frame assembly and back support frame assembly, which cooperate to form an adjustable seating capacity. The apparatus may be a substantially open frame or configured with at least one panel. The seat frame assembly is further configured to define a volume enclosing a storage assembly. The storage assembly may be configured as a single or multicompartmented assembly, and may include a plurality of handles, lids, and drawers. The apparatus may be configured with at least one cooperating storage assembly guide recess and storage guide to guide the storage assembly into proper storage position, as well as a plurality of storage retainers and storage stops to limit the travel of the storage assembly. A plurality of accessory devices may be attached with a plurality of clamp-type accessory holders.