A marking in a harbor indicating the channel; buoys distinguishable by color (red/green) shape(can/nun) and numbering (green = odd #; red = even); rule of thumb "Red, Right, Return"

Related Images

external image buoy.jpg
A red buoy that should be kept to starboard upon coming from the sea to port; indicates danger to its starboard
Image ID: 1627

External Links:

Coast Guard website on buoys

Record ID: 52