Boating Coach
Buoys and markersQuestion 509 of 566

What does a swimming buoy mark?

  1. A diving area
  2. The outer limit of a swimming area
  3. A boat speed limit
  4. A channel for large ships
Show answer

Correct answer: The outer limit of a swimming area

A swimming buoy shows the outer edge of a swim area. It may not be on the chart.

Source: Safe Boating Guide (TP 511E, 2026), Cardinal Buoys and Special Buoys, page 65

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Questions last reviewed: 18 October 2026