The best selling compilation album in 2004 in Spain was CARIBE 2004 by CARIBE SERIES.
| Rank | Artist | Album | Released |
| 1 | CARIBE SERIES | CARIBE 2004 | 2004 |
| 2 | DISCO ESTRELLA SERIES | DISCO ESTRELLA VOL 7 | 2004 |
| 3 | Ñ, LOS ÉXITOS SERIES | Ñ, LOS EXITOS DEL AÑO 2003 | 2003 |
| 4 | VARIOUS ARTISTS | LOS NUMERO UNO DE LOS 40 | 2004 |
| 5 | VARIOUS ARTISTS | EL DISCO DE REGGAETON | 2004 |
| 6 | VARIOUS ARTISTS | NUESTRA MEJOR CANCION | 2004 |
| 7 | SUPERVENTAS SERIES | SUPERVENTAS 2004 | 2004 |
| 8 | Ñ, LOS ÉXITOS SERIES | Ñ, LOS EXITOS DEL AÑO 2004 | 2004 |
| 9 | VARIOUS ARTISTS | PLAY | 2003 |
| 10 | VARIOUS ARTISTS | ALMA CHILL-OUT | 2004 |
Source: PROMUSICAE