The Del Mar Fairgrounds play host to nearly 350 events each year. They include:
- Weddings
- Receptions
- Bar and Bat Mitzvahs
- Equestrian and other animal shows
- Concerts
- Craft shows
- Home shows
- Other social and consumer events
The fairgrounds are best known for hosting the annual San Diego County Fair and Del Mar Races, both in summer. It's founding members include Bing Crosby and Pat O'Brien, with Paramount Studios as corporate sponsor.