Panga marine is the first and foremost builder of panga style boats in the united states. incomparable build, superb performance, low fuel burn.. 18 new or used panga boats for sale on boattrader.com. view the best selection of panga boats to choose from.. Welcome to spira international home-built boat plans. spira international offers a wide variety of different power, rowing, and sailing skiffs, dories, and other boat.