Tri-State Siouxtacular Card Show

Tri-State Siouxtacular Card Show takes place at Sioux City Convention Center in Sioux City, Iowa on Friday, June 26, 2026. Doors open at 4:00 PM and the show runs until 8:00 PM. Browse vendor tables featuring sports cards.

What to Expect

This card show in Sioux City, Iowa brings together dealers and collectors with vendor tables to browse. Expect to find sports cards. Doors open on Friday, June 26 at 4:00 PM. No registration is required — just show up. The event is held at Sioux City Convention Center. We recommend arriving 15–20 minutes early, especially if this is your first time visiting.