2026 Convention Guide

Colossalcon Prime 2026

May 27–31, 2026 · Sandusky, OH

Dates

May 27–31, 2026

5-day event

Venue

Kalahari Resorts

Sandusky, OH

Est. Attendance

~20,000

Official Website

About Colossalcon Prime

Colossalcon Prime is a Midwest anime con taking place May 27–31, 2026. This 5-day event is held at Kalahari Resorts in Sandusky, OH and is a favorite stop on the regional circuit. Drawing roughly 20,000 attendees, the event features cosplay contests, artist alleys, vendor halls, and panel programming that keep fans coming back year after year. Whether you're planning your first trip or you're a returning attendee, Colossalcon Prime is one of the must-hit events on the 2026 Midwest anime calendar.

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