Aids to navigationQuestion 237 of 352

On some state waters, a buoy has black and white vertical stripes. What does it mean?

  1. Do not pass between the buoy and the shore
  2. Pass the buoy on your left side
  3. Safe water is all around the buoy
  4. Anchoring is allowed here
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Correct answer: Do not pass between the buoy and the shore

An obstruction runs from the shore out to this buoy. Stay on the open-water side.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 62: United States Aids to Navigation System, § 62.32 Inland waters obstruction mark

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Questions last reviewed: 18 October 2026