| 100% | SAMOS | 5 | Island in the Aegean Sea separated from Turkey by the Mycale Strait |
| 59% | OLAND | 5 | Island in the Baltic Sea separated from mainland Sweden by Kalmar Sound |
| 54% | CHIOS | 5 | Greek island separated from Turkey by a strait of the same name |
| 51% | SRILANKA | 8 | Island separated from India by the Palk Strait |
| 49% | JURA | 4 | Island in the Inner Hebrides separated from the Scottish mainland by the Sound of — |
| 45% | SAMOS | 5 | Island in the Aegean Sea |
| 45% | IOS | 3 | Island in the Aegean Sea |
| 44% | DIOMEDE | 7 | — Islands, two bodies of land in the Bering Strait separated by the International Date Line |
| 44% | IOS | 3 | Greek island in the Aegean Sea |
| 43% | ALASKA | 6 | State separated from Asia by the Bering Strait |
| 43% | CYCLADES | 8 | Island group in the Aegean Sea |
| 43% | VANCOUVER | 9 | Island separated from the Canadian mainland by the Strait of Georgia and Queen Charlotte Sound |
| 42% | KOS | 3 | Greek island in the Aegean Sea, near Turkish coast |
| 42% | CYCLADES | 8 | Group of islands in the Aegean Sea including Anafi |
| 42% | LEMNOS | 6 | Greek island in the Aegean Sea famous for its medicinal earth |
| 42% | DODECANESE | 10 | Group of islands in the Aegean Sea whose capital is Rhodes |
| 41% | RHODES | 6 | Largest of the Dodecanese group of Greek islands in the Aegean Sea |
| 40% | SAMOTHRACE | 10 | Largely mountainous island in the Aegean Sea; an important centre of worship in ancient times |
| 40% | SPORADES | 8 | Name given to two groups of Greek islands in the Aegean Sea; the Northern — and Southern — |
| 38% | SAROS | 5 | Gulf of —, inlet of the Aegean Sea in NW Turkey north of the Gallipoli Peninsula |
| 38% | SAROS | 5 | Gulf of —, inlet of the Aegean Sea in northwest Turkey north of the Gallipoli Peninsula |
| 37% | SODOR | 5 | Fictional island in the Irish Sea; setting for The Railway Series books by the Rev W Awdry |
| 37% | EUBOEA | 6 | Greek island believed to have been separated from the mainland by an earthquake |
| 37% | PEI | 3 | It's separated from N.B. by the Northumberland Strait |
| 37% | ASIA | 4 | It's separated from North America by the Bering Strait |
| 37% | LAGOON | 6 | Body of water separated from the sea by a reef |
| 36% | IOS | 3 | Island in the Aegean |
| 36% | SAMOS | 5 | Island in the Aegean |
| 36% | ALDERNEY | 8 | Island separated from the Cap de la Hague, France, by the Race of — |
| 36% | NAXOS | 5 | Greek island; largest in the Cyclades group in the Aegean Sea |