| Island group of Norway | 22 |
| Island group of South Seas | 26 |
| Island group of Spain | 21 |
| Island group of the West Indies | 31 |
| Island group off Ireland | 24 |
| Island group off New Guinea | 27 |
| Island group off Scotland | 25 |
| Island group off the west coast of Sicily | 41 |
| Island group off Timor | 22 |
| Island group SE of North Carolina | 33 |
| Island group studied by Margaret Mead | 37 |
| Island group studied by Mead | 28 |
| Island group that includes Guam | 31 |
| Island group that includes São Miguel | 40 |
| Island group that sometimes includes New Zealand | 48 |
| Island group the NFL's Troy Polamalu's family is from | 61 |
| Island group whose capital is Ponta Delgada | 43 |
| Island guitar | 13 |
| Island guitar, briefly | 22 |
| Island guitar, for short | 24 |
| Island guitar, informally | 25 |
| Island guitars | 14 |
| Island hello or goodbye | 23 |
| Island hi's | 15 |
| Island home | 11 |
| Island home of Columbus: c. 1479 | 32 |
| Island home of Father Damien | 28 |
| Island home of Hammett's falcon | 35 |
| Island home of Thomas the Tank Engine | 37 |
| Island hopper's stop, perhaps | 33 |
| Island hopper? | 14 |
| Island hoppers | 14 |
| Island housing | 14 |
| Island in 50th state | 20 |
| Island in a Beach Boys lyric | 28 |
| Island in a computer game | 25 |
| Island in a famous palindrome | 29 |
| Island in a late Beach Boys song | 32 |
| Island in a palindrome | 22 |
| Island in a river | 17 |
| Island in a Scottish bay? | 25 |
| Island in Aegean, to Italians | 29 |
| Island in Antilles | 18 |
| Island in Brooklyn | 18 |
| Island in County Donegal | 24 |
| Island in East River | 20 |
| Island in Firth of Clyde | 24 |
| Island in Formosa Strait | 24 |
| Island in French Polynesia | 26 |
| Island in Greek myth | 20 |
| Island in Indian Ocean | 22 |
| Island in Indonesia | 19 |
| Island in N. Y. Bay | 19 |
| Island in New York Bay | 22 |
| Island in New York harbor | 25 |
| Island in Oceania | 17 |
| Island in Operation Detatchment | 31 |
| Island in palindrome | 20 |
| Island in Persian Gulf | 22 |
| Island in S.F. Bay | 18 |
| Island in Samoa | 15 |
| Island in San Francisco Bay | 27 |
| Island in Taiwan Strait | 23 |
| Island in the Adriatic | 22 |
| Island in the Aegean | 20 |
| Island in the Aleutians | 23 |
| Island in the Andreanofs | 24 |
| Island in the Arcipelago Toscano | 32 |
| Island in the Baltic | 20 |
| Island in the Bay of Naples | 27 |
| Island in The Beach Boys' "Kokomo" | 48 |
| Island in the Cyclades | 22 |
| Island in the Delian League | 27 |
| Island in the East China Sea | 28 |
| Island in the East River | 24 |
| Island in the Firth of Clyde | 28 |
| Island in the French West Indies, familiarly | 44 |
| Island in the Gulf of Siam | 26 |
| Island in the Hebrides | 22 |
| Island in the Indian Ocean | 26 |
| Island in the Ionian Sea | 24 |
| Island in the Java Sea | 22 |
| Island in the lyrics to "Kokomo" | 42 |
| Island in the Malay Archipelago | 31 |
| Island in the Mediterranean | 27 |
| Island in the Mediterraneo | 26 |
| Island in the Moluccas | 22 |
| Island in the Near group | 24 |
| Island in the Netherlands Antilles | 34 |
| Island in the news, April 1945 | 30 |
| Island in the news: 1979 | 24 |
| Island in the Nile, near Cairo | 30 |
| Island in the Pacific | 21 |
| Island in the Persian Gulf | 26 |
| Island in the Philippines | 25 |
| Island in the South China Sea | 29 |
| Island in the Sulu Archipelago | 30 |
| Island in the Taiwan Strait | 27 |
| Island in the Thames | 20 |
| Island in the Tuscan Archipelago | 32 |