Any wording or message will be in black letters. This buoy is signified by a cross in the center of an open diamond. Boats Keep Out buoys mark areas where vessel operation is prohibited. Typical areas for these buoys are swim beaches and dams. This buoy is signified by an open diamond.
Danger buoys mark areas that are hazardous to vessel operation.
Typical areas for these buoys are submerged rocks or shoals. This buoy is signified by an open circle. Control buoys mark areas where vessel speed or wake is controlled for safety purposes. Some control buoys may limit water skiing or other activities. Typical areas for these buoys are around boat launches and other congested areas.