The article presents problems related with designing public space, i.e. recreational areas and park green space in the context of existing fortifications with a case study of the town of Darłowo. It shows examples of the development of historical areas of ground fortifications as part of the project ‘A Plan of Development of the Park Behind the Marine School in Darłowo’. The article also discusses selected issues related with the composition, spatial functionality, landscape and execution of the plan, included in the park design documentation. It presents the results of design work, which was used to prepare complex technical documentation. This study includes the arrangements thatcan be used to make a town park with scenic values which will be similar a natural scenery.