StadiumStadion Castro Urdiales
| Current capacity of the stadium |
| Standing | 17 500 |
| Seats | 10 900 |
| Tribune | 6 500 |
| Seats for sponsors | 200 |
| Fans attended |
| 7. 11. 2026 | Castro Urdiales-Reinosa | 3 290 |
| 2. 11. 2026 | Castro Urdiales-La Coruna | 3 274 |
| 29. 10. 2026 | Castro Urdiales-Caceres | 3 277 |
| 24. 10. 2026 | Castro Urdiales-Alloa | 3 327 |
| 19. 10. 2026 | Castro Urdiales-Tenerife | 3 328 |
| 12. 10. 2026 | Castro Urdiales-Roquetas | 3 331 |
| 8. 10. 2026 | Castro Urdiales-FCB Hooligans | 3 295 |
| 3. 10. 2026 | Castro Urdiales-Sevilla | 3 336 |
| 1. 10. 2026 | Castro Urdiales-Vitoria | 3 469 |