49. Because You Can Find Nightlife Even in a Day Spa.

Photo: Rebecca Smeyne

You’re handed a robe and a towel at the door for the twice-a-month “Night Spa” electronica-and-cocktails parties at Clinton Hill’s Body by Brooklyn, launched in August and featuring a “wet lounge” complex of hot tubs, saunas, and cool baths. Bathing suits and flip-flops are BYO—or can be bought, á la carte, like the drinks.

50. Because the City’s Best D.J.’s May Be the Ones Playing a Pizzeria.

Roberta’s in Bushwick is hardly a slice joint—there’s the hours-long wait, the book-on-the-first-of-the-month chef’s table Blanca, the pilgrimage Bill and Hillary made to the restaurant—but come summer Sundays, thanks to Andy Pry, Eli Escobar, and Lloydski’s Tiki Disco, it’s also a spilling-out-the-garage, afternoon-into-night backyardish bash.

49. Because You Can Find Nightlife Even in a Day Spa.