Haeundae Dusan We've the Zenith Apartment is a high-rise apartment complex in Marine City, Haeundae, Busan. It consists of three towers of 70 to 80 floors and is regarded as a landmark with views over Marine City. Staff are stationed in the first-floor lobby, and a shuttle elevator runs between the underground parking garage and the first floor. For the sake of the views, the interior environment has a large difference between cold and heat.