Flatiron: Craft’s private dining room is bringing back Craftails, its pop-up cocktail lounge, tonight at 5:30 p.m. The cocktails will be $12, and the bar snacks will be free; for more information, e-mail cocktails@craftrestaurant.com. [Grub Street]
Long Island: The Sant Ambroeus in Southampton has been restyled and reopened. [Grub Stret]
Midtown East: The National is introducing a “Hamptons to-Go Menu.” For $17, vacation-prone customers can order brown-bagged lunches (sandwich, fruit or cookies, and sparkling water) for their out-of-town trips. [Grub Street]
Chicago-based chain Potbelly Sandwich Shop has put up signage on 44th Street, between Lexington and Third Avenues. [Midtown Lunch]
Soho: Trump Soho’s Bar d’Eau and its many cocktails have returned for the summer season. [Grub Street]
Union Square: 15 East will host an artisanal sake dinner on Monday, May 23. For $145, guests will be served an eight-course meal paired with sake. Reservations can be made by phone. [Grub Street]
