La Casa al carrer de Mar, 47 is a building in Malgrat de Mar included in the Inventory of the Architectural Heritage of Catalonia.It is a question of a building with ground floor, floor and attic and all together it forms a rectangular plant. Like all the houses it also has patio; street-courtyard transparencies. Modernist decorativism is evident on the façade, arches with floral decoration and wavy lines at the top of the façade. The grandstand does not fit perfectly into the whole.