MATER is the last great Basque wooden tuna fishing boat (bonitera) converted into an Ecoactive Museum Ship, to bring society closer to and involve it in the care and protection of our environment. A 33-metre long traditional Basque inshore fishing boat built by hand. A powerful Basque bonitera, the base of the Cantabrian fleet. Immerse yourself in the past history of MATER and learn about the sustainability of traditional fishing gear.