Experience the unique nature and history of Örö fortress island! Barracks, cannons, defense posts and fortifications of the once closed military area presents the history of Finland’s coastal defence. Part of the island’s nature has remained virtually untouched over its century-old fortress history. There are unique habitats and rare plants, insects and birds on the island, making Örö one of Southern Finland’s key concentrations of threatened species and habitat types.
Örö was opened to the public in 2015 and is part of the Archipelago National Park. The island has a guest harbor, cafe and restaurant, as well as accommodation from a camping site to a hotel.