2004 Tercera División play-offs

The 2004 Tercera División play-offs to Segunda División B from Tercera División (Promotion play-offs) were the final playoffs for the promotion from 2003–04 Tercera División to 2004–05 Segunda División B. The first four teams in each group (excluding reserve teams) took part in the competition.

Groups A

 * Teams from Galicia, Asturias, Castile and Leon and Madrid.

Group A1

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Navalcarnero

Group A2

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Atlético Arteixo

Group A3

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Marino de Luanco

Group A4

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Guijuelo

Groups B

 * Teams from Cantabria, Basque Country, La Rioja/Navarre and Aragon.

Group B1

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Huesca

Group B2

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Sestao River Club

Group B3

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Peralta

Group B4

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Lemona

Groups C

 * Teams from Catalonia, Valencian Community, Balearic Islands and Region of Murcia.

Group C1

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Badalona

Group C2

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Benidorm

Group C3

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Levante B

Group C4

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Alcoyano

Groups D

 * Teams from Andalusia, Extremadura, and Castile-La Mancha.

Group D1

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Díter Zafra

Group D2

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:CD Alcalá

Group D3

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Don Benito

Group D4

 * 1st Eliminatory:


 * 2nd Eliminatory:


 * Promoted to Segunda División B:Arenas

Group E

 * Teams from Canary Islands.


 * 1st Eliminatory:


 * 2nd Eliminatory:

Navalcarnero, At. Arteixo, Marino, Guijuelo, Huesca, Sestao River, Peralta, Lemona, Badalona, Benidorm, Levante B, Alcoyano, Díter Zafra, Alcalá G., Don Benito, Arenas & Castillo
 * Promoted to Segunda División B:Castillo
 * Promotion to a Segunda 'B':

Promotion/relegation playoff La Rioja

 * }


 * Promotion to Tercera: Berceo
 * Relegation to Regional: Alberite