StadiumGrob Stadium
| Current capacity of the stadium |
| Standing | 12 000 |
| Seats | 10 000 |
| Tribune | 2 400 |
| Seats for sponsors | 100 |
| Fans attended |
| 8. 10. 2026 | Mariembourg-Anderlecht | 3 702 |
| 3. 10. 2026 | Mariembourg-Linter | 3 672 |
| 1. 10. 2026 | Mariembourg-Club Brugge KV | 3 356 |
| 26. 9. 2026 | Mariembourg-Oostrozebeke | 3 488 |
| 21. 9. 2026 | Mariembourg-Gavere | 3 335 |
| 20. 9. 2026 | Mariembourg-Kammelberg | 3 332 |
| 17. 9. 2026 | Mariembourg-Zonhoven | 3 351 |
| 12. 9. 2026 | Mariembourg-Verviers | 3 344 |
| 7. 9. 2026 | Mariembourg-Tournai | 3 349 |