Escuela Náutica de Plentzia Historical milestone · Plentzia, Plentzia-Mungia, Bizkaia Image of Plentzia, not of the place itself. Founded in 1779, it trained numerous merchant navy captains, in keeping with the town's seafaring tradition, later reinforced by the arrival of the railway to Bilbao in 1889. 1779 Photo: Gunnar E. Heßke (CC BY-SA 3.0) What to see and do in Plentzia