The Union Marketplace - The place to be for trading cards. Check out our events!
Del Mar Fairgrounds
Buy Tickets
March 24, 2023
Del Mar Fairgrounds
Del Mar, Ca

Del Mar Fairgrounds

3 Day Mega Event - Collectors 15 and Under Are FREE - Friday 4pm - 9pm | Saturday 10am - 6pm | Sunday 10am - 4pm If you're looking for a one-of-a-kind event that celebrates the joys of card collecting, your search is over. The Union Marketplace is the only event of its kind on the west coast, and it's this March in sunny San Diego. This is your chance to meet other collectors, hobbyists, and anyone who just wants to have a great time. You'll find everything you're looking for at The Union Marketplace in Del Mar. Remember that collectors 15 and under are always free - bring the kids!

Table Vendors

Del Mar Fairgrounds

Thank you to our vendors! Click on the red dots to find out who they are!
Interested in becoming a vendor?
Buy a Table

Become a Sponsor

Support the hobby. Support your business. Reach thousands of collectors.

Platinum Sponsors

Gold Sponsors

Silver Sponsors

Bronze Sponsors

Stay in the Know
Stay informed on our latest news!