| Area | Country | Island | % Correct | |
|---|---|---|---|---|
| 1 | 2,994 km² | Sweden | Gotland | 88%
|
| 7 | 685 km² | Finland | Åland | 70%
|
| 2 | 2,673 km² | Estonia | Saaremaa | 62%
|
| 3 | 1,342 km² | Sweden | Öland | 60%
|
| 8 | 588 km² | Denmark | Bornholm | 56%
|
| 5 | 989 km² | Estonia | Hiiumaa | 46%
|
| 6 | 935 km² | Germany | Rügen | 38%
|
| 4 | 1,243 km² | Denmark | Lolland | 31%
|
| 11 | 445 km² | Germany/Poland | Usedom | 23%
|
| 10 | 514 km² | Denmark | Falster | 19%
|
| 14 | 201 km² | Finland | Hailuoto | 17%
|
| 15 | 198 km² | Estonia | Muhu | 17%
|
| 9 | 560 km² | Finland | Kimitoön | 16%
|
| 12 | 265 km² | Poland | Wolin | 14%
|
| 13 | 218 km² | Denmark | Møn | 11%
|