StadiumStadion Mariehamn B
| Current capacity of the stadium |
| Standing | 11 800 |
| Seats | 7 400 |
| Tribune | 4 400 |
| Seats for sponsors | 100 |
| Fans attended |
| 15. 6. 2026 | Mariehamn B-Kuhmo | 4 343 |
| 11. 6. 2026 | Mariehamn B-Uimaharju | 3 956 |
| 6. 6. 2026 | Mariehamn B-FC KELTI HELSINKY 2009 | 4 379 |
| 3. 6. 2026 | Mariehamn B-Nylstroom | 4 295 |
| 1. 6. 2026 | Mariehamn B-Atalanta | 4 371 |