Who knows — maybe Mom and Dad will stay permanently. “It’s the cutest thing in the world,” says Penelope Stipanovich, the sales director at nearby One Brooklyn Bridge Park, a 437-unit condo building that’s now 80 percent sold, when asked about the pool, located next to Pier 2. “They created a beach with sand, they have a DJ playing music, they have a cafe open to 11 p.m. — it does not feel like you’re in New York.”