Home | Marine Aids to Navigation | Navigation Buoys A800 Buoys 800 mm Diameter 1 m Focal Plane 0,1 m3 Volume The A800 buoy is an affordable model made entirely of rotomolded polyethylene, available in various shapes and colours. It is a buoy commonly used for marking beaches, but it can also be used for temporary delimitation during works in ports and small channels and temporary installations. Optionally, this buoy can be equipped with a special or lateral top mark. Request moreinformation about A800 Buoys