StadiumStadion Mariehamn B
| Current capacity of the stadium |
| Standing | 11 800 |
| Seats | 7 400 |
| Tribune | 4 400 |
| Seats for sponsors | 100 |
| Fans attended |
| 15. 9. 2025 | Mariehamn B-Jakobstad | 4 942 |
| 11. 9. 2025 | Mariehamn B-Ylöjärvi | 4 334 |
| 6. 9. 2025 | Mariehamn B-Savonlinna | 3 364 |
| 3. 9. 2025 | Mariehamn B-Imatra B | 3 391 |
| 1. 9. 2025 | Mariehamn B-Orivesi | 3 414 |
| 28. 8. 2025 | Mariehamn B-FC KELTI HELSINKY 2009 | 3 375 |