| STTHOMAS | Island in the Atlantic Ocean (2,6) |
| ATLANTIS | A legendary island in the Atlantic Ocean, lying west of the Strait of Gibraltar. The principal sources for the legend are two of Plato's dialogues, Timaeus and Critias. (9) |
| CANARIES | A group of Spanish islands in the Atlantic Ocean (8) |
| STHELENA | Brit. island in the Atlantic |
| TENERIFE | Spanish island in the Atlantic whose capital is Santa Cruz |
| SARGASSO | Floating masses of seaweed in the Atlantic Ocean (8) |
| TRIANGLE | Bermuda -, mysterious region in the Atlantic Ocean (8) |
| ROCKALL | Small island in the Atlantic Ocean annexed by Britain in 1955 (7) |
| MADEIRA | Remote Portuguese island in the Atlantic Ocean (7) |
| SOUTHGEORGIA | Island in the Atlantic Ocean on which explorer Ernest Shackleton is buried (5,7) |
| UTOPIA | 16th-century book by Sir Thomas More, describing a fictional island in the Atlantic Ocean (6) |
| AZORES | Islands in the Atlantic Ocean (6) |
| BERMUDA | Group of islands in the Atlantic Ocean, capital Hamilton (7) |
| BLUEDRAGON | Common name for a colourful sea-slug which, though common in the Atlantic Ocean, was spotted for the first time in centuries in the waters around Mallorca earlier this year (4-6) |
| NEWBRITAIN | Island of the western Pacific named after a much larger island in the Atlantic |
| CARIBBEANSEA | Source of the Gulf Stream in the Atlantic Ocean, home to the hawksbill turtle and Mesoamerican Reef (9,3) |
| HANOI | Island in The Atlantic close to Savannah going all the way back is home to millions of Asians (5) |
| ICELAND | Nordic island nation in the Atlantic Ocean (7) |
| ASCENSION | Rising island in the Atlantic |
| GRANCANARIA | One of the Canary Islands in the Atlantic (4,7) |
