One of BASTUN's primary objectives is political and social influencing. The basic principle is that the network acts in all forums that are relevant in terms of joint interests.
In addition, BASTUN coordinates and takes part in projects that have a social or political impact on the region.
BASTUN cooperates with, monitors and participates in the activities of all relevant international organisations in the region and is among others a strategical partner of the Council of Baltic Sea States CBSS.
BASTUN is also observer in the Baltic Sea Labour Forum.