There is always something happening, whether you take advantage of on-campus clubs and activities, or venturing out into the city.
And if there isn't a campus club that matches your interest, you can start one! Plus, the experience you get working with and/or leading a group is the kind of skill that employers seek.
Here is a quick sample of what awaits you on campus or in the city:
total freshmen on the NYC campus
total undergraduate enrollment on the NYC campus
freshmen living on campus