Except, whose 10pm would that go by?
Also, for a family friendly establishment, perhaps a puppet show for those that want to dust off their child characters?

Or....
Story night, possibly a weekly/monthly thing, with different themes each time.
Pet show, if that many animals would be allowed in the SH.
Drop-in class on some skill, perhaps.
Marketplace, maybe the usual, or maybe for roleplay goods (like a craft show or something)
Drink n' draw, for the grownups (a bunch of artists get together, get drunk, and draw things)