Abstract: A pontoon boat fender comprises a shell portion with a hollow interior and a bumper portion slidably received in the shell portion hollow interior. The bumper portion is movable between a navigating position and a docking position. In the navigating position, the bumper portion is retracted into the shell portion hollow interior. In the docking position, the bumper portion is extended from the shell portion hollow interior. The shell portion has a tab adjacent to a longitudinal end of the shell portion and a hook adjacent to a longitudinally opposite end of the shell portion. The tab and hook cooperate with each other to enable securing the boat fender to a fence and deck of the pontoon boat.