| 2018 | 2017 | |
| Passengers | ||
| Turku–Åland Islands–Stockholm | 1,858,880 | 1,885,643 |
| Stockholm–Mariehamn | 895,120 | 890,689 |
| Helsinki–Mariehamn–Stockholm | 969,307 | 1,036,559 |
| Finland/Sweden–Baltic countries | 1,955,265 | 2,345,989 |
| Mariehamn–Kapellskär | 732,965 | 722,269 |
| Total | 6,411,537 | 6,881,149 |
| Cars | 704,799 | 762,253 |
| Cargo units | 128,549 | 127,668 |