The Amagansett Food Institute, which operates the Amagansett Farmers Market, is taking orders for Thanksgiving foods. The Gulf Coast Kitchen restaurant, in Montauk at the Montauk Yacht Club, will have a Thanksgiving buffet from 11 a.m. to 6 p.m. on the holiday. Thanksgiving at the 1770 House in East Hampton will offer a holiday meal featuring main dishes such as traditional turkey and fixings, roasted Icelandic cod, or a roasted Berkshire pork chop.