| Answer | Crossword Clue |
|---|---|
| atoll | a circular coral island |
| atolls | ATOLL, a circular coral island |
| ATOLL | Circular coral reef island |
| ATOLL | It consists of a circular coral reef surrounding a lagoon |
| ATOLL | Formation of a coral island. |
| cays | a low island or reef of sand or coral |
| cay | a low island or reef of sand or coral |
