Arhipelaag - A non-profit research and development organization whose purpose is to foster a sustainable way of life on the coast and islands. [Estonian, English]
Hiiumaa Islets Landscape Reserve - An area comprising several islands south east of Hiiumaa, protects 187 species of birds and is rich in flora. [Estonian, English]
Hiiumaa.ee - Information about the island-county, its history, culture, economy and tourism, local communities, links to related sites. [Estonian, English]