Mainely Card Show

Mainely Card Show takes place at Sanford Memorial Gym in Sanford, Maine on Saturday, June 20, 2026. Doors open at 8:00 AM and the show runs until 2:00 PM. Browse vendor tables featuring sports cards.

What to Expect

This card show in Sanford, Maine brings together dealers and collectors with vendor tables to browse. Expect to find sports cards. Doors open on Saturday, June 20 at 8:00 AM. No registration is required — just show up. The event is held at Sanford Memorial Gym (Sanford, ME 04073). We recommend arriving 15–20 minutes early, especially if this is your first time visiting.