| Definition | Symbol |
| Position of buoy or beacon | |
| IALA System buoy topmarks (beacon topmarks shown upright) | |
| Buoy types | |
| Superbuoy | |
| Mooring buoy, Lighted mooring buoy | |
| Trot, mooring buoys with ground tackle and berth numbers | |
| Mooring buoy with telegraphic or telephonic communications | |
| Data collection buoy (Ocean Data Acquisition System) of superbuoy size | |
| Beacon in general, characteristics unknown | |
| Beacon with topmark | |
| Beacon on submerged rock (topmark appropriate) | |
| Stake, pole | |
| Perch, stake | |
| Cairn | |
| Beacon towers without and with topmarks | |
| Lattice beacon | |
| Leading beacons (the firm line is the track to be followed) | |
| Beacons marking a clearing line or transit | |
| Cable landing beacon | |
| Refuge beacon | |
| Notice board | |
| Symbol showing direction of buoyage where not obvious | |
| Recommended track based on a system of fixed marks | |
| Recommended track not based on a system of fixed marks | |
| Recommended track with maximum authorised draught | |
| Established (mandatory) direction of traffic flow | |
| Recommended direction of traffic flow | |
| Separation line, zone | |
| Limit of restricted routeing measure (e.g. Inshore Traffic Zone, Area to be Avoided) | |
| Limit of routeing measure | |
| Precautionary area | |
| Archipelagic Sea Lane; axis line and limit beyond which vessels shall not navigate | |
| Radar range | |
| Radar reference line | |
| Radar reference line coinciding with a leading line | |
| Radio calling-in point, way point, or reporting point (with designation, if any) showing direction(s) of vessel movement | |
| Radio reporting line (with designation,if any) showing direction(s) of vessel movement | |
| Ferry |
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