| Goalkeeper | |||||
|---|---|---|---|---|---|
| # | Name | Country | Birthday | ||
| 13 |  | Ibón Urrosolo |  | Spain | 12.12.2005 |
| 1 |  | Iru | | Spain | 22.08.1998 |
| 26 |  | Pablo Nistal | | Spain | 24.05.2004 |
| Defence | |||||
| # | Name | Country | Birthday | ||
| 5 |  | Andoni Ugarte | | Spain | 05.04.1995 |
| 18 |  | Carlos González | | Spain | 10.09.2003 |
| 4 |  | Anton Efremov |  | Russia | 11.06.2003 |
| 15 |  | Gaizka Argente | | Spain | 21.12.2001 |
| 3 |  | Gorri | | Spain | 22.12.1996 |
| 22 |  | Markel Etxeberria | | Spain | 15.02.1995 |
| 2 |  | Markel Peral | | Spain | 04.08.2005 |
 | Oier Maroto | | Spain | ||
| Midfield | |||||
| # | Name | Country | Birthday | ||
| 8 |  | Ander Laka | | Spain | 28.10.2001 |
| 12 |  | Boiro Balde | | Spain | 21.08.2006 |
| 6 |  | Eneko Delgado | | Spain | 18.01.2001 |
| 23 |  | Iñaki Legu | | Spain | 16.03.2004 |
| 16 |  | Josemi Castañeda | | Spain | 26.02.1998 |
| 24 |  | Mikel Zearreta | | Spain | 06.11.2007 |
| Forward | |||||
| # | Name | Country | Birthday | ||
| 20 |  | Adri Carrión | | Spain | 24.03.2002 |
| 17 |  | Ander Bengoetxea | | Spain | 22.03.2003 |
| 9 |  | Ander Castillo | | Spain | 2003 |
| 21 |  | Andoni Arzak | | Spain | 21.02.2003 |
| 11 |  | Gonzalo Zorrilla | | Spain | 12.05.2001 |
| 7 |  | Ieltxu García | | Spain | 16.03.2004 |
| 10 |  | Pau Miguélez | | Spain | 23.01.1999 |
| Manager | |||||
| # | Name | Country | Birthday | ||
 | Héctor Urquía | | Spain | ||
Sestao River