L'illa Diagonal was known originally as the "Supermanzana" since its inception in 1993 has become an epicenter of commerce and life of Barcelona.
In addition to a large shopping mall with over 170 shops and restaurants, resort facilities include L'illa Diagonal on its premises two four-star hotels, two schools, a sports hall, a nightclub and concert hall, a convention center, a public park and a parking lot.
The building has a facade of 334 meters and its way of lying is inspired skyscraper in Rockefeller Center in New York. Building height is between 40 and 60 meters at the ends and 30 feet in the middle.