Riviera Tower, also known as Marina Tower or Hellinikon Marina Residential Tower, is a residential skyscraper currently under construction in Athens, Greece. Located at the coastal district of Elliniko, it will be the tallest building in Greece at a height of 200 m (660 ft). The tower, designed by Foster + Partners, will host 200 apartments on 50 floors when completed in 2026 The tower will feature green building characteristics and its developers aim for LEED Gold certification. The tower is a part of the Hellenikon Metropolitan Park.