MassBay Lines 
60 Rowes Wharf
Boston, MA 02210
617-542-8000

Among the most popular of the many cruises offered by this company is the narrated harbour tour aboard a paddlewheel steamboat replica; with eight vessels from which to choose, some modern and some more nostalgic, one can opt for harbour tours, whale watching tours, moonlight and sunset cruises, and music cruises. The cruises and tours also offer dining, beverages, and entertainment.