Related Clues:
- Island in the form of a ring
- Bank sailors try to avoid?
- Hazard to sailors taken in when it's blowy
- Knot sailors try to avoid
- Ring-shaped coral island
- Rocks in shallow water - kind of knot
- Rocky ridge near sea surface
- Rock in shallow water
- Kind of knot (avoided by sailors?)
- Coral ____ - ____ knot
- Chain of rocks underwater
- Rock formed of coral
- Land around a lagoon, such as Bikini
- Undersea ridge
- Coral formation - kind of knot