Recruited locally, O'Keeffe was a member of the Geelong reserves premiership in 1982.
A wingman, he had his best season in 1984 when he made 19 appearances, took 70 marks, and averaged 14 disposals.
[2] He continued to be a regular fixture in the team and missed just two games in 1989.
[2] In their upset win over Hawthorn that season, O'Keeffe played as a full-back and kept Jason Dunstall to three goals.
In 1991, O'Keeffe's final season, he played just four AFL games but finished his career on a high by participating in the reserves grand final win over Melbourne.