Abstract: Disclosed herein are portable cribs comprising a frame, fabric, and feet. The portable cribs described herein are easily collapsible, transportable, and deployable. In some embodiments, to deploy a collapsed, portable crib, fabric is coupled to the feet, the feet are coupled to the frame, and the fabric is pulled up and over the frame and secured to the frame. Portable cribs according the present disclosure may also include a mattress that may be coupled with the fabric at the bottom of a deployed crib. Also disclosed herein are portable crib systems comprising a portable crib and an accessory structure configured to be removably attached to the top of the portable crib. Accessory structures disclosed herein are collapsible and, thus, portable. Portable crib systems disclosed herein may also include accessories configured to attach to the system.