A recreational structure comprises a rebounding-surface frame forming a closed shape, and at least one panel disposed between the rebounding-surface frame and a support surface. The at least one comprises a horizontal edge, and at least a portion of the top horizontal edge of at the least one panel is coupled to at least a portion of the rebounding-surface frame. In one exemplary embodiment, at least a first and a second panel each comprise first and second vertical edges and a horizontal edge. The first vertical edge of the first panel is coupled to a second vertical edge of the second panel. At least a portion of the top horizontal edge of at least one of the first and second panels is coupled to at least a portion of the rebounding-surface frame.