Bolærne: During the summer you can take a small ferry to this island in the Oslofjord, the journey cost kr 140 roundtrip, adults, kr 70 roundtrip, children. The journey takes 50 min, oneway. The island was a coastal artillery fortress, opened for the public in 2005. You can stroll along the island - or dive directly from the rocks or just sit in the small harbour looking on the traffic of private summer boats. On top of the island there will be a small viewpoint where you can see all the cruiseboats and ferries passing on the way to and from Oslo.
Ãstre Bolærne
You can stay in the same rooms and beds where the soldiers used to live, and you can as well eat all meals in the restaurant.