If the player can be located, the bet is accepted, just like it would be at a sportsbook counter. Geolocation software determines whether a bettor is in the state when making a wager. There are almost two dozen available to players in New Jersey that are at least 21 years old. The most popular way to bet on sports in New Jersey is through mobile apps. Those are at Atlantic City casinos and New Jersey racetracks.Ītlantic City Advantage is supported through advertisements and sponsors. If you or someone you know has a gambling problem, call 1-800-GAMBLER. Those are licensed through Atlantic City casinos and New Jersey horse racing tracks. Two types of sportsbooks operate in New Jersey.