Fredrikshald Kystlag is an organization that focuses on the preservation and dissemination of local coastal history. The coastal museum, which is part of the organization's activities, aims to give visitors insight into the area's maritime traditions and culture. The organization was founded in 2014 and currently has 58 members. It is affiliated with Forbundet Kysten, a voluntary cultural preservation organization that works to preserve coastal culture and traditional vessels.
The coastal association is open to membership for anyone with an interest in the coastal environment, and emphasizes craft traditions and seamanship. Through collaboration with local museums and associations, Fredrikshald Kystlag contributes to cultural preservation and identity building for the residents of Halden and Østfold. The organization plays an important role in promoting understanding of the importance of coastal life in the region.