Legal Sea Foods is an American restaurant chain of casual-dining seafood restaurants mostly located in the Northeastern region of the United States. The current company headquarters is located in the South Boston Seaport District and as of 2022, the group operates 24 restaurants in five states, with most in the Greater Boston area. The restaurant serves over 7 million customers annually with an average restaurant size of 6,000 square feet (560 m2). Legal Sea Foods also operates an online fish market and ships fresh fish anywhere in the contiguous United States, as well as a retail products division.