Since decades, urban lifestyles are being discoursed and tried to be interpreted newly with every bigger social change. What kind of needs of the in urban structures living Human should buildings satisfy, not only in present, but preferably far in the future? Additionally to the topic of hybrid architecture, there is the question which building type should be used. Of course, the choice should be dependent on, or influenced by existing, urban situation, surrounding conditions and last but not least the requirements of urban living people. On the basis of the construction site Handelskai 100 in the 20th district of Vienna and by the illustrated onception in this paper it should be shown, how an equally sociable and functional mix can be created in a “fluvial cityscape”1 with the help of a admittedly polarizing high rise building type.