Grab your cheap tickets to join Thirsty Thursdays every week along Boston's Waterfront. Bring your family and friends down to Rowes Wharf for Massachusetts Bay Lines Vessels every Thursday evening through mid-September. Spend an hour cruising along the beautiful harbor in the fresh summer air. Enjoy cold beverages while you sit back and relax. Boarding begins each week at 5:00 pm and the boat will take off at 5:30 pm. Get your cheap tickets to the Thirsty Thursday Waterfront Cruise…