Eating together, like being buried up to your necks in the same cube of cement, keeps families together. Build a solid foundation with today's Groupon: for $10, you get $20 worth of seafood at Crab Shack.

Crab Shack hauls in fresh fish, crab, lobster, shrimp, and clams every day from the ports of Boston Harbor. After perusing the menu, diners can crack into a whole 1.5-pound Maine lobster ($23.50) or relish a tilapia fillet stuffed, like a young shark’s teddy bear, with blue crab ($17.95). The Clambake steam pot holds a cluster of two dozen neck clams and spicy sausage ($18.50), and the Nantucket’s Best basket collects coconut shrimp, scallops, and clam strips ($19.50). Meanwhile, landlubbers can mouth-lasso a 16-ounce new york strip steak ($24.50) or savor the best of both worlds with a lobster tail and filet mignon ($29.95). The restaurant has a list of 18 wines and champagnes stomped from grapes that, despite their international differences, are all ripened by the same fiery sun. Our customers loved this deal last year, earning Crab Shack a spot on Groupon's Best of 2011 list.