23 Marina is a residential skyscraper in Dubai and was built by the Hiranandani Group based in Mumbai, India. The tower has 90 floors and is 395 m (1,296 ft). It is the World's Tallest all-residential building.[not in citation given] The tower has 57 swimming pools and each duplex in the tower is equipped with its own private elevator. The tower is composed of 291 apartments.
The building was 79 per cent sold before construction started. The raft was completed on April 30, 2007.
In June 2011, 23 Marina topped out and became the second tallest building in the city and the tallest residential building in the world. The handing over of the apartments commenced in August, 2011.