There are currently 23 online casinos in New Jersey. Global betting and casino gambling websites operating online in New Jersey, like Unibet NJ or Bet365.Big US online casinos with operations in NJ, like DraftKings and Stardust Casino).Atlantic City Casinos with online casino, like Golden Nugget.The NJ online gambling industry is composed of three types of online gambling sites. However, new NJ online casinos are being still being launched. and in the past decade, online gambling in NJ has become established. NJ online casino industry already launched back in 2013. New Jersey is the largest US online casino state in the US with over 20 trusted online casinos. New Jersey is the biggest casino market in America.