The building was constructed on a plot 34 by 56 meters, with 1835 sqm. It consists of six floors organized around two courtyards, one circular and one oval, basement, attic and roof. This structure houses two independent terraced buildings, each with its own gateway and their own patio lights, which are reported only on the ground floor. However, the facade has a unitary structure common to both buildings. The charging structure is formed by columns of brick and solid stone. The dividing walls have no structural function, so that their design varies from one plant to another. The inner structure of pillars and girders connected with the stone exterior with curved metal beams throughout the perimeter of each floor.
The basement, where a garage is located, contains a large pillar of iron of which start several iron beams also support the circular courtyard, located immediately above. The façade also serves a structural function, so that their design and ornamentation have a great creative freedom, with undulating forms that evoke the ocean tides and produce various sensations lighting based on time of day. The wrought-iron balconies, decorated with abstract motifs. Gaudí designed even a type of tile hexagon of ceramics to place on the pavement of the street, new marine motifs such as octopus, stars and shells made by the company Escofet. This tile was chosen later to pave the Paseo de Gracia in Barcelona.