This Summer’s Hottest Table in the Hamptons Is a Cheap Diner

The most in-demand table in the Hamptons this summer won’t be poolside at a Montauk beach club or have a velvet rope. It’s inside a diner.

At Babe’s in Sag Harbor, an all-day joint specializing in pancakes, burgers and milkshakes, the seats — there are only 20 — are already hard to come by at the no-reservation spot, with waits up to an hour in its first weeks. And it’s not even Memorial Day yet.

“I don’t know if it’s a shift as much as a correction,” says co-owner Julian Cavin, who opened the classic American diner in mid-May in a freestanding ...