The preliminary rounds were played from 10 February until 6 April 2005, with the finals beginning on 30 May and ending on 10 June 2005.

The tournament was initially planned to take place in September 2002, in anticipation of the upcoming FIFA Club World Championship in the following year, in order to decide which team would represent Oceania at the tournament.

The winner of the tournament was Sydney FC of Australia, who beat AS Magenta of New Caledonia in the final.

[1] Ten teams competed in the preliminary round of the 2005 OFC Club Championship.

The Australian representative (Sydney FC), as the representative of the strongest OFC Nation, and the two Tahitian Teams (AS Pirae and AS Manu Ura), as hosts, were seeded to the main draw.