| Ring reefs |
| Key rings? |
| Coral reefs |
| Ocean rings |
| Coral rings |
| Coral isles |
| Lagoon sites |
| Some islands |
| Bikini, etc. |
| Lagoon isles |
| Lagoon rings |
| Ring islands |
| Coral ridges |
| Bikini et al. |
| Oceanic rings |
| Coral islands |
| Lagoon formers |
| Lagoon shapers |
| Pacific sights |
| Coral creations |
| Much of Oceania |
| A lot of Oceania |
| Coral constructs |
| Pacific features |
| Lagoon enclosers |
| Ringlike islands |
| Snorkeling sites |
| Snorkeling spots |
| Coral formations |
| Coral structures |
| Bikini, et cetera |
| Ring-shaped reefs |
| Bikini and others |
| South Seas sights |
| A lot of Polynesia |
| Coral Sea features |
| Much of Micronesia |
| The Maldives, e.g. |
| Lagoon surrounders |
| A lot of Micronesia |
| Bikini and Eniwetok |
| Bikini and the like |
| Ring-shaped islands |
| Coral configurations |
| Lagoons' surrounders |
| They enclose lagoons |
| A lot of the Maldives |
| Lagoon's surroundings |
| Micronesia components |
| Coral-island groupings |
| Enewetak and Kwajalein |
| Ring-shaped formations |
| Marshall Islands, e.g. |
| Part of the Ralik Chain |
| Ring-shaped coral reefs |
| Ring-shaped coral islands |
| Chain components, perhaps |
| Components of the Maldives |
| The Maldives, for instance |
| The Marshall Islands, e.g. |
| Caroline Islands components |
| Islands surrounding lagoons |
| Much of Micronesia's makeup |
| Many of the Marshall Islands |
| They're mostly in the Pacific |