Classic New England Style Downeast Lobster Boat. Deriving its name from the Finnish word for Stamina and Perseverance, the Sisu 26 was built by Portsmouth Boat Works in Dover, N.H. from 1978-1990 quickly became a popular choice for the offshore fishing and lobster fishing fleet. Alternatively for the pleasure market as a picnic boat. New AwlGrip topsides paint in 2020. These boat details are subject to contract. Note: Offers on the asking price may be considered. Visit our website for the full specifications of this boat with up to 100 photos, videos and virtual reality images.