There happens to be a very popular steakhouse in Massachusetts that does all of that. It seems that the spot that has also been named the best steakhouse in the Bay State has also been named the coziest restaurant in Massachusetts! The popular lifestyle publication 'Cheapism' picked out the coziest restaurants in every state, which are basically also the coziest restaurants in America. So, it's a nice luxury that the coziest restaurant in Massachusetts is also the best steakhouse in the Bay State. While there are three fantastic Massachusetts locations of this particular steakhouse in Beacon Hill, Burlington, and Seaport, it seems that the location chosen as the coziest restaurant in Massachusetts is the Seaport location for Mooo.