The Green Turtle is a floating bed & breakfast as luxurious as it is unique. Set in the historic Charlestown Navy Yard, the Green Turtle offers an expansive view of the Boston Harbor skyline along with the comfort and amenities of a modern bed and breakfast. Walk to the USS Constitution and the Freedom Trail to the North End and downtown Boston or take the water ferry to numerous points along the city's waterfront. We are just four miles from Logan Airport. You can take a water taxi to get to the B & B.