Sant Ambroeus’s Milanese fantasy finally arrived in East Hampton. Enjoy pastas, crudos, coffees and more in designer Robert McKinley’s gorgeous setting of Loro Piana fabrics, Murano glass sconces and red lacquer floors. In other expansion news, Tutto Caffè opened in East Hampton and Southampton native and restaurateur Joseph DeCristofaro’s Old Stove Pub premiered in Manhattan. 66 Newtown Lane, East Hampton, N.Y., 11937. 55 Main Street, East Hampton, N.Y., 11937. 1076 1st Avenue, New York, N.Y., 10022.