We usually hold weddings in the ballroom at the Gladstone (or, once, in the Tower Room suite for a family group) but lately we've had a few smaller weddings (15-40 people) in the upstairs lounge area. Here is a nice little wedding in the upper lounge - just a small group of friend and family, and then a nice dinner downstairs. And there's that fun elevator! You can have some drinks set up at a portable bar, and then go downstairs for more food.
We had another wedding here on the night of Nuit Blanche! It was very much fun, tho some art patrons wanted to see things as dusk fell. Check the dates of Toronto events when you plan a wedding!