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Non-lateral markers are navigation aids that give information other than the edges of safe water areas. The most common are regulatory markers that are white and use orange markings and black lettering. These markers are found on lakes and rivers and are used to:

Square buoy icon for directions and information

Square: Give directions and information.

Diamond buoy icon warning of danger

Diamond: Warn of hazards and obstructions.

Circular buoy icon for marking controlled areas

Circle: Mark controlled areas.

Crossed diamond buoy icon for marking off-limits or closed areas

Crossed Diamond: Mark exclusion (closed) areas.