Or a church? Or even a community center?
P."Zed" Myers thinks not, emphatically, but at Harvard they've got one, namely Greg Epstein. [HarvardHumanist's YouTube Channel] They've been debating the whole concept of humanist communitarianism on Twitter (#humanistcommunity).
Myers notwithstanding, I've often heard humanists, atheists, and secularists of various other stripes express regret at not enjoying the conviviality and "fellowship" available to church-based religionists. Some of us have the Church of Baseball, of course; but for others Epstein is pushing to create something more like a community of non-believers. He's been hosting talks, not quite sermons, in service of that goal. Jennifer Hecht gave one recently: