| Name | Number of islands | Country |
| Archipelago Sea | Over 50,000 | Finland |
| Canadian Arctic Archipelago | 36,563 | Canada |
| Stockholm Archipelago | 30,000 | Sweden |
| Thirty Thousand Islands | Around 30,000 | Canada |
| Malay Archipelago | Around 25,000 | Brunei, Indonesia, Malaysia, Papua New Guinea, Philippines and Timor-Leste |
| Lake of the Woods Islands | 14,632 | Canada and United States |
| Indonesian Archipelago | 13,558 | Indonesia |
| Småland archipelago | 12,740 | Sweden |
| Öregrund archipelago | 9,722 | Sweden |
| Östergötland archipelago | 8,888 | Sweden |
| Philippine Archipelago | 7,641 | Philippines |
| Japanese archipelago | 6,852 | Japan |
| Kvarken Archipelago | 5,600 | Finland |
| Södermanland archipelago | 5,371 | Sweden |
| British Isles | 4,400 | Ireland and United Kingdom |
| Blekinge archipelago | 2,875 | Sweden |
| Alexander Archipelago | Over 2,000 | United States |
| Thousand Islands | 1,864 | Canada and United States |
| Ha Long Bay | Over 1,600 | Vietnam |
| Zhoushan archipelago | 1,390 | China |
| Great Barrier Reef | Over 900 | Australia |
| Lucayan Archipelago | 740 | The Bahamas and Turks and Caicos Islands |
| Seto Inland Sea | Over 700 | Japan |
| Dalmatia | 1,244–1246 | Croatia |
| Maldive Islands | 1,190 | Maldives |
| West Estonian archipelago | Almost 900 | Estonia |
| Mergui Archipelago | Around 800 | Myanmar |
| Falkland Islands | 780 | Falkland Islands |
| New Zealand archipelago | Over 600 | New Zealand |
| Recherche Archipelago | Around 105 | Australia |