The Koster Islands are located in the middle of Sweden´s only marine national park. Out here is a unique environment with 12,000 species, half below the surface and half on land. The area is used cautiously with both the human and nature's best interests - all to preserve the unique environment that Koster Islands and the archipelago are. In Ekenäs harbor, 200 meters from the hotel, lies the National Park Naturum which has nice exhibition of surprising animals and exotic plants. Take care of nature when you visit our unique islands. And take a swim in it.