The tournament began on 12 September 1984 and ended on 30 June 1985 with the final, held at the Santiago Bernabéu Stadium in Madrid.
The final was played between Athletic Bilbao (the defending champions of the tournament), and Atlético Madrid.
The match ended with a 2–1 victory for the team from the capital, with Hugo Sánchez as the star, scoring two goals.
With this victory Atlético secured their sixth cup, making them the team with the fourth-most titles in the competition.
Results of matches played: December 11 / December 12 / December 13 / January 9 Bye: CD Castellón, CD Tenerife, CE Sabadell FC, Atlético de Madrid, Hércules CF, Deportivo de La Coruña, RCD Mallorca, Real Sociedad, Real Zaragoza, Valencia CF, Real Madrid CF.