Archipelago sea is a part of Baltic Sea and the world’s largest archipelago by the number of islands. There are over 20 000 islands in the Arhipelago Sea, but only few inhabited. The islands provide a unique and diverse environment for wildlife. Most part of the outer archipelago is part of Archipelago Sea National Park with least light and noise pollution in the whole Southern Finland. Experience the great Archipelago Sea in four different Tentsile Experience Locations.