There are currently 25 brick and mortar casinos in operation across the state of New York. However, there is no legal access to online casino wagering anywhere within the state.
Currently, there are seven brick and mortar sportsbooks operating legally in the state of New York. The nearest to New York City betting facility is at the Resorts World Catskills (just an hour drive) and of course in the Garden State.
Mobile app is not live yet, but DraftKings sportsbook NY already operates a brick and mortar sportsbook in New York in partnership with the del Lago Resort & Casino in Seneca County, N.Y.
Bet365 is one of the largest operators in the sports betting and gambling industry and it has entered the US market (from NJ). New York is making strides towards offering mobile sports betting, not without some difficulties though.
NY Rivers Casino & Resort Schenectady runs 24/7, since February 8, 2017. The Rivers Casino was the first in New York state to open its first legal sportsbook at the Rivers.