Segunda División B Group 1
Champions: Fuenlabrada · Promoted: Ponferradina, Fuenlabrada (play-offs)
Defunct · last season 2019-20
| Club | Stadium | City | Capacity |
|---|---|---|---|
| Burgos | Estadio El Plantíoopened 1964 | Burgos177,402 people | 16,000 |
| Cultural Leonesa | Estadio Reino de Leónopened 2001 | León123,446 people | 13,451 |
| Ponferradina | Estadio El Toralínopened 2000 | Ponferrada63,186 people | 8,400 |
| Real Madrid Castilla | Alfredo Di Stéfano Stadiumopened 2006 | Madrid3,223,334 people | 6,000 |
| Atlético Madrileño | Estadio Cerro del Espinoopened 1995 | Madrid3,223,334 people | 3,376 |
| Celta Fortuna | Municipal de Barreiro | Vigo294,489 people | 1,500 |
| Coruxo | Campo do Vao | Vigo294,489 people | 1,500 |
| Capacity not recorded yet | |||
| Deportivo Fabril | Cidade Deportiva de Abegondo | A Coruña251,543 people | – |
| Fuenlabrada | – | ||
| Guijuelo | Guijuelo5,427 people | – | |
| Internacional de Madrid | – | ||
| Las Palmas II | – | ||
| Navalcarnero | – | ||
| Pontevedra | Estadio Municipal de Pasarónopened 1965 | Pontevedra83,316 people | – |
| Rápido de Bouzas | Estadio Baltasar Pujalesopened 2001 | Vigo294,489 people | – |
| Real Valladolid Promesas | – | ||
| Salamanca UDS | – | ||
| San Sebastián de los Reyes | – | ||
| Unión Adarve | – | ||
| Unionistas de Salamanca | – | ||
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources