A buoyant bumper system for attachment to a docking facility and cushioning a boat. The buoyant bumper system includes an elongated travel shaft for engaging the docking facility, a travel sleeve slidably carried by the travel shaft, a system float carried by the travel sleeve and a resilient bumper carried by the travel sleeve in spaced-apart relationship to the system float. Throughout tidal rise and fall of a water body, the system float maintains the bumper at a fixed level with respect to the boat. Therefore, the buoyant bumper system is capable of cushioning and preventing damage to the boat throughout a full range of tidal movement as the boat is docked to a docking facility.