This invention relates to a marine power cord stowage device and more particularly to a device 10 comprising a flexible front panel 12 and a flexible back panel 14 which are joined at all but one substantilly straight edge to form opening 18, a cover 32 which is engagable to close opening 18 so that passages remain in opening 18, and a mounting structure 42 operable to removably mount device 10 on a suitable boat structure. The device of this invention allows a boat user to safely stow surplus lengths of marine power cord when in use at dock, yet does not require permanent mounting on a boat.