Standing at the corner of Madison Avenue and 27th Street, the petite brunette in the Michael Kors pantsuit discreetly checks whether she has enough bills to pay for “lunch” in cash.

Her paramour arrives, and they dart into MAve, a chic boutique hotel that, together with the trendy Flatiron, Verite and Tribeca Blu, is fast becoming the go-to spot for clandestine sex in Manhattan.

“It’s stylish, cute and clean,” says Lauren, the married pantsuit wearer, who asked The Post to use her “alias dating name” (so we don’t blow her cover). “There’s no paper trail, and it’s affordable.”

Tags: nyc, rates