Tower of el carrer d'Avall Monument · Arenys de Mar, Maresme, Barcelona Also known as the Torre d'en Llobet and, originally, the Torre de la Boada, it was built around 1560 at number 43 of carrer d'Avall. It is of circular plan, has three storeys and retains the corbels of the machicolation and arrow-slits distributed around the perimeter; the windows were opened later, once the danger from corsairs had receded. Photo: Enfo (CC BY-SA 3.0) What to see and do in Arenys de Mar