PortConMaine 2026 is Maine's longest-running and largest geek culture convention, returning to Holiday Inn Portland-By The Bay June 25-28, 2026. The four-day event features anime, gaming, science fiction, costuming, fantasy, video gaming, boffer combat, comics, and pop culture programming. The 2026 theme is "Isekai" celebrating the convention's move to its new venue. Vendor and artist alley applications are managed by the convention.