I know I cannot cover them all, but this is a list of the ones I have attended or would like to attend.
GenCon – Indianapolis, IN (The Father of them All)
CoastCon – Biloxi, MS
Duckon – Chicago, IL (Gaming seems limited BUT Masters of Lightning / Blinkies look fun)
Gamehole.com – Madison, Wi (Idiotic name, but looks like a lot of gaming)
GaryCon – Lake Geneva, Wi (Tribute to E. Gary Gygax, in the place where it all began)
PentaCon – Fort Wayne, IN
WorldCon – 2018 is in San Jose’, CA