StadiumStadion Castro Urdiales
| Current capacity of the stadium |
| Standing | 17 500 |
| Seats | 10 900 |
| Tribune | 6 500 |
| Seats for sponsors | 200 |
| Fans attended |
| 20. 4. 2026 | Castro Urdiales-Reinosa | 3 267 |
| 16. 4. 2026 | Castro Urdiales-Alhora | 3 300 |
| 9. 4. 2026 | Castro Urdiales-Fuengirola | 3 328 |
| 4. 4. 2026 | Castro Urdiales-Sevilla | 3 499 |
| 30. 3. 2026 | Castro Urdiales-Piedrabuena | 3 417 |
| 28. 3. 2026 | Castro Urdiales-Torre del Mar | 3 423 |
| 23. 3. 2026 | Castro Urdiales-Tenerife | 3 402 |
| 19. 3. 2026 | Castro Urdiales-Suances | 3 372 |
| 14. 3. 2026 | Castro Urdiales-Almunecar | 3 490 |