| Ring-shaped coral reef |
| Coral-island groupings |
| Coral reef border islands |
| Fluted, ring-shaped cake variety |
| Fastener with a ring-shaped head |
| Reef builder |
| Reef material |
| Coral rings |
| Ring-shaped roll |
| Reefs |
| Colorful coral reef dweller |
| Ridge of coral |
| Coral islets |
| Coral ridges |
| Great Barrier Reef locale |
| Ring-shaped structure formed over millions of years |
| Ring-shaped coral islands |
| Western Reef ___ (showy bird) |
| 1989 Bligh Reef casualty |
| Coral creations |
| The Crossword Obsession: The History and Lore of the World's Most Popular Pastime" author Coral |
| Reef explorer |
| Great Barrier Reef site |
| Coral assemblies |
| Coral Triangle island |
| Coral snake's cousin |
| Coral reef predators |
| Ring-shaped coral reefs |
| Coral lagoon spot |
| Healthy maintenance for reefs? |