New York City may be a concrete jungle, but it's also a great place to play beach volleyball... if you know where to look. From riverfront piers to real ocean beaches — and yes, even indoor sand  — there are plenty of ways to bump, set, and spike in the Big Apple. Whether you’re a die-hard player chasing the perfect serve or just looking for a fun, social game with friends, here’s your complete guide to beach volleyball in NYC  — starting, of course, with the city’s only indo