Timber Ridge Lodge & Waterpark in Lake Geneva, WI has two Groupon offers:  a one-bedroom suite (sleeps 5) for $119 or a 2-bedroom suite (sleeps 7) for $157.  Available dates are through October.  This indoor-outdoor waterpark is only available for hotel guests.

• Each suite has a fully equipped kitchen, whirlpool bath and covered balcony or patio next to the living room.   Bring your own food and drinks to keep costs down.