Venice & Sirimione lodging for family of 4..or..should we skip ...

I think I waited too long to try to book a room and the quad rooms don't seem to be available. Our itinerary was going to be: Arrival day: leave venice and drive to Sirimione. That evening: wander around Next day: Take boys to Gardaland (is this ... We visited Gardaland from Verona (we were there for a week) and in Sirmione we just got a family hotel from the tourist office. In Gardaland one of their mascots is Prit who looks like a cigarette but is in fact a glue stick. ...