This is not a public meeting place, but we have included a category on this site for co-working facilities. This meets that criteria, I believe it has meeting spaces avialable for members.
"FLOCK was created by the partners of MADE and etc. to create a collective of freelance creative talent. We're 6,000 square feet of carefully curated historic bones and reside in the Eat Street neighborhood of Minneapolis. Made of designers, writers, coders, producers, thinkers, and tinkerers.