Where is the biggest sports book in Vegas? I am going to Vegas soon, like to watch and bet some sports games, which casino got the biggest sports book in Vegas? Question posted by: know it all The Westgate Las Vegas SuperBook The Westgate Las Vegas SuperBook is considered the largest sportsbook in Las Vegas. It offers a massive 30,000-square-foot betting area, huge LED video walls, numerous betting windows, and comfortable seating. Known for its extensive selection of betting options […]