Explanation to the legal situation of the Las Vegas online sportsbook and placing bets online at the Vegas sportsbooks. The Best Case For Legal Online Sports Betting: The Success Of Nevada . Its flagship location is at the M Resort on the far south end of the Las Vegas valley. Visit the premier Las Vegas portal, featuring the most up-to-date and in-depth guide to Las Vegas The most basic wager involves picking the winner of a race. Baseball · Football · Golf · Horse Racing.