Pangalan ng Sponsor: Hindi alam
Itinatag taon: 1929
Bansa: Espanya
Bilang ng Koponan: 12
Record-holding champions: Real Madrid Castilla (5)
Reigning champion: UD Lanzarote
Nangunguna Player
Mga Manlalaro| # | Manlalaro | Marka | |
| 1 |  | Nico Baleani | 78 |
| 2 |  | Pol Bueso | 78 |
| 3 |  | Álex Fernández | 76 |
| 4 |  | Iago López | 76 |
| 5 |  | Dani Pedrosa | 75 |
Tercera División I Mga Samahan
| koponan | Tagapamahala | Istadyum | Lugar | |
 | Bergantiños FC | Hindi alam | As Eiroas | Carballo |
 | CD Choco | Hindi alam | Campo Municipal de Santa Mariña | Redondela |
 | CD Dorneda | Hindi alam | Eugenio Pardo Conchado | Oleiros |
 | CD Laudio | Hindi alam | Ellakuri | Laudio |
 | CD Puerta Bonita | Hindi alam | Antiguo Canódromo | Carabanchel |
 | CD Sariñena | Hindi alam | El Carmen | Sariñena |
 | CE Constancia | Hindi alam | Nou Camp d'Inca | Inca |
 | Real Madrid C | Joselu Sánchez | Ciudad Real Madrid | Madrid |
 | SD Noja | Hindi alam | La Caseta | Noja |
 | Silva SD | Hindi alam | A Grela | A Coruña |
 | UD Ourense | Antonio Dacosta | O Couto | Ourense |
 | Unión Collado Villalba | Hindi alam | Ciudad Deportiva | Madrid |
Tercera División I Referees
| wala |
Tercera División I Club ng Kasaysayan
| Panahon | koponan | |
| 2013/2014 |  | UD Lanzarote |
| 2012/2013 |  | Racing Ferrol |
| 1967/1968 |  | Real Madrid Castilla |
| 1965/1966 | | Real Madrid Castilla |
| 1963/1964 | | Real Madrid Castilla |
| 1956/1957 | | Real Madrid Castilla |
| 1928/1929 | | Real Madrid Castilla |