The Green Turtle is a floating bed & breakfast as luxurious as it is  unique.  Set in historic Charlestown Navy Yard, this B & B offers an expansive view of the Boston Harbor skyline along with the comfort and amenities of a modern bed and breakfast.  Walk the freedom trail to the North End and downtown Boston or take the water taxi from your front door to numerous points along the city's waterfront.  From the airport, water taxi is the fastest way to get to the B & B.