This study aims to compare and find solutions for how to integrate the Finnish and Swedish strategy for marine areas for a joint development plan. The pilot study also aims to devise a common main application to the Interreg IV A North Programme. To succeed in these missions, joint cross-border meetings with various parties arranged. The main activity during the study period is to develop a main application to the Interreg IV A North Programme. The main application is based on the existing island strategies; progressed project in Finland and the Gulf of Bothnia archipelago strategy in Sweden. The Project Manager evaluates strategies and develops a proposal for further cooperation. Operators will arrange meetings with funders and partners with an interest in the main application.