Disappearance of San Martín due to the plague Historical milestone · Santa María de la Isla, La Bañeza, León Image of Santa María de la Isla, not of the place itself. The parish of San Martín, documented since 1095, was depopulated by the plague and its parishioners ended up passing to that of La Isla. At the end of the seventeenth century a price crisis left the village reduced to eighteen households. siglo XVI Photo: Adrylaisla11 (CC BY-SA 3.0) What to see and do in Santa María de la Isla