Maastoren is a 44-storey, 165 m (541 ft) office skyscraper complex in Rotterdam, Netherlands. The building was designed by Dam & Partners in cooperation with Odile Decq Benoit Cornette and it is the tallest in the Netherlands and the whole Benelux. The building is mainly used as office space. The tower's parking garage comprises 10 stories above ground and 2 stories below with 634 spaces.