Related Clues:
- Coral line
- Marine hazard
- Hazardous obstruction
- Damselfish's home
- Underwater hazard
- Reduce, as a sail
- Mariner's hazard
- Snorkeling venue
- Where ships may run aground
- Lagoon barrier
- Ridge of rock under surface of sea
- Chain of rocks near the surface of the sea
- Ridge of rock just under water
- Ridge near the surface of water
- Underwater obstruction