Porterhouse Grill is located in Athens, United States on 459 E Broad St. Porterhouse Grill is rated 4.5 out of 5 in the category restaurant in United States. rterhouse Grill is a restaurant in Athens, Georgia that specializes in traditional American cuisine with an emphasis on grilled steak. The restaurant features a lunch and dinner service in a warm, friendly atmosphere.tarters on the Porterhouse Grill lunch and dinner menu consist of such American fare as crab soup, fried green tomatoes and fried oysters. After appetizers, it is time for the diner to choose from a variety of fresh, hand cut steaks including filet mignon, New York strip steak, surf and turf and bone-in rib eye, all grilled to order. For the diner who prefers an entrŽe other than beef, Porterhouse Grill offers a specialty menu that includes chicken and seafood options such as rainbow trout and chicken saltimbocca.