For a complete printable price list, click here. Main Category : Interactive Dunk Tank [ enlarge ] Item Id: 4326560 Retainer: $50.00   (450 gallons of water) 4 Hours - $250.00 If there no room for a dunk tank chech our pitchburst game. w/Moonbounce rental - $225.00 The concept of dunking the boss at the company picnic, or dunking the local "celebrity" at fund raising events has become an American pastime. For a complete printable price list, click here.