| name | discoverer | image | geology | type | Area (m²) | elevation (m) | Range | date discovered | Depth (m) | Height (m) | city | Website | administrative división | continent | Country | latitude (°) | Width (m) | Length (m) | longitude (°) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue Grotto (Biševo) |  | Sea caves | 12 | Komiža | website | Split-Dalmatia County | Europe | Croatia | 42.9666671753 | 24 | 16.0166664124 | Map | ||||||||
| Blue Grotto (Capri) |  | Sea caves | 22 | Anacapri | website | Campania | Europe | Italy | 40.5499992371 | 30.00 | 54 | 14.1999998093 | Map | |||||||
| Blue Grotto (Malta) |  | Sea caves | 14 | website | 35.8166656494 | 43 | 14.4499998093 | Map | ||||||||||||
| Grotta delle Felci |  | Sea caves | 200 | Capri, Campania | website | Campania | Europe | Italy | 40.5333328247 | 14.2166662216 | Map | |||||||||
| Grotta dello Smeraldo | Sea caves | 1932 | 32 | Conca dei Marini | website | Campania | Europe | Italy | 40.5999984741 | 45 | 14.5666666031 | Map |