StadiumStadion Castro Urdiales
| Current capacity of the stadium |
| Standing | 17 500 |
| Seats | 10 900 |
| Tribune | 6 500 |
| Seats for sponsors | 200 |
| Fans attended |
| 10. 1. 2026 | Castro Urdiales-Vitoria | 3 700 |
| 8. 1. 2026 | Castro Urdiales-Valladolid | 3 673 |
| 3. 1. 2026 | Castro Urdiales-Tenerife | 3 502 |
| 29. 12. 2025 | Castro Urdiales-Sevilla | 3 327 |
| 25. 12. 2025 | Castro Urdiales-Alloa | 3 491 |
| 20. 12. 2025 | Castro Urdiales-Roquetas | 3 500 |
| 15. 12. 2025 | Castro Urdiales-La Coruna | 3 491 |
| 11. 12. 2025 | Castro Urdiales-Fuengirola | 3 531 |
| 6. 12. 2025 | Castro Urdiales-Eibar | 3 674 |