Gaylaxicon 2004 was held in San Diego, California. The first to be held after a three-year suspension, it was hosted by San Diego Queer Sci-Fi.
- Guests of Honor:
- David Gerrold (author)
- Joe Phillips (artist)
- Virginia Hey (actor, Farscape)
- Attendees: ~285
Gaylactic Network and Gaylactic Spectrum Awards Foundation