ESIN is the voice of 359,357 islanders on 1,640 small islands, helping them remain alive. To this end, ESIN acts at two levels:

1 Local level: strenghtening islands cultural identity, facilitating the circulation of information between its members, allowing comparison on how diiferent countries cope with issues, sharing knowledge.

2 European level: informing relevant EU institutions, influencing EU policies and rules by increasing their awareness and understanding of small islands.