Related Clues:
- Coral island with central lagoon
- Rocks in shallow water
- Hazard for ships
- Bikini, perhaps
- Reduce a sail's surface - shipping hazard
- Coral island(s) surrounding a lagoon
- Shorten sail
- South Sea isle
- Wake Island or Midway
- Wake Island, e.g
- Biodiverse habitat
- Many a South Seas island
- Diver's domain
- Something for snorkelers to look at but not touch
- Wake Island, for one