word | | Location |
| island | Greenland | Northern North America, island between the Arctic Ocean and the North Atlantic Ocean, northeast of Canada |
| island | Grenada | Caribbean, island between the Caribbean Sea and Atlantic Ocean, north of Trinidad and Tobago |
| island | Guam | Oceania, island in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines |
| island | Haiti | Caribbean, western one-third of the island of Hispaniola, between the Caribbean Sea and the North Atlantic Ocean, west of the Dominican Republic |
| island | Iceland | Northern Europe, island between the Greenland Sea and the North Atlantic Ocean, northwest of the United Kingdom |
| island | Ireland | Western Europe, occupying five-sixths of the island of Ireland in the North Atlantic Ocean, west of Great Britain |
| island | Isle of Man | Western Europe, island in the Irish Sea, between Great Britain and Ireland |
| island | Jamaica | Caribbean, island in the Caribbean Sea, south of Cuba |
| island | Jan Mayen | Northern Europe, island between the Greenland Sea and the Norwegian Sea, northeast of Iceland |
| island | Japan | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
| island | Jersey | Western Europe, island in the English Channel, northwest of France |
| island | Madagascar | Southern Africa, island in the Indian Ocean, east of Mozambique |
| island | Malaysia | Southeastern Asia, peninsula bordering Thailand and northern one-third of the island of Borneo, bordering Indonesia, Brunei, and the South China Sea, south of Vietnam |
| island | Marshall Islands | Oceania, two archipelagic island chains of 29 atolls, each made up of many small islets, and five single islands in the North Pacific Ocean, about half way between Hawaii and Australia |
| island | Mauritius | Southern Africa, island in the Indian Ocean, east of Madagascar |