This research present reason for the promotion of a historic architecture of ecosystems within city structures to develop water management, describe and qualify water, polders area and protect old hydrological structures from damage allow it to evolve in time for future settlements. This topic is as spatial and formal as political, economic and social issues with the potential to influence thinking and policy of the governors. The studies were performed with qualitative research, literature studies, observation of the study area, the preparation and analysis of historical and contemporary maps and comparative studies. The aim is to raise awareness the issue of lack of water planning or planning cursory, poor protection of historic ports and urban water, bring attention to urban planning of the aquatic environment and the risk of the destruction of the unique monuments located in closed port areas, as well as to bring attention to the lack of inventory and registry entries monuments and the lack of documented cultural heritage maritime coastal cities. About 60% of Szczecin (PL) is covered by green-blue infrastructure of parks, forests, polders, waters and islands. The islands are located in Oder river delta between Dabie Lake and West Oder River as unique in European scale natural habitat for plants and animals within the urban structure. The Gryfia is an island, where a shipyard for ships and u-boots functioned. Presently new developments are planned to be built and there is a risk of damage to unknown historical heritage (Figure 1). Water areas of Szczecin are characterized by a unique natural and historical heritage, which needs constant protection, development, education and promotion among tourists, residents and students. The challenge is to preserve the maritime tradition of that area, respect culture and history of previous centuries. The historical structures should be renovated and preserved as qualitative aspects of landscape and technical heritage. The education about such achievements would increase people's aspirations, values and concerns to water, ecology and climate related topics in port cities everywhere. [GRAPHICS] .
