| Clue | Source | Date |
|---|---|---|
| *Destination for a day trip from Naples | LA Times Daily | 23 Sep 2026 |
| Italian ferry destination | ||
| Blue Grotto locale | Newsday | 18 Aug 2016 |
| Blue Grotto site | ||
| Blue Grotto locale | ||
| Blue Grotto site | ||
| Home of the Blue Grotto | ||
| Resort of Southern Italy | ||
| Blue Grotto locale |