Eligible beneficiaries for this call are local and/or regional organizations from Member States, overseas and associated countries to the Horizon Europe Programme. Project lead by local and/or regional authorities will be prioritized, and in any case, projects must include a local/regional authority. Eligible beneficiaries must provide evidence that the areas to be associated have ecosystems that can benefit from the demonstration activities in a living lab context. These activities focus on restoration of Kelp forests, Seagrass and Sand dunes, and on the protection and restoration of Coastal areas due to coastal erosion and Biodiversity in human-made hard infrastructures.