Finland Castle is located on an island on the south coast of Helsinki, built in 1700 and consisting of six islands. Finland Castle is one of the jewels of Helsinki, set in a beautiful oasis in the middle of the sea. Finland Castle is one of the world's largest maritime military fortresses, with a complex structure of open forts, hidden castles and turrets. Museums, galleries, restaurants, cafes, parks, and beaches will make your stay on the island unforgettable.