The world's smallest sea island with an international border (3.3 ha, 8.2 acres), divided between Sweden and Finland. Once the westernmost point of the Russian Empire, the tiny skerry is the site of a lighthouse and a separate DXCC entity. Trips of 4–5 hours (one hour each way) arranged by Sefyr from the Käringsund guest harbour. Guided tour, coffee and seal watching. Proper clothes and footwear needed. Cancelled in bad weather or if less than 6 customers (unless specially arranged).
Märket is a 3.3-hectare (8.2-acre) uninhabited skerry in the Baltic Sea shared by Sweden and Finland, with a lighthouse as its salient humanmade feature. Märket has been divided between the two countries since the Treaty of Fredrikshamn of 1809 defined the border between Sweden and Grand Duchy of Finland as going through the middle of the island. The Finnish side of the island is part of the Municipality of Hammarland in the autonomous region of Åland and is the westernmost land point of Finland. The Swedish part of the island is itself divided between two counties of Sweden: Uppsala County and Stockholm County.
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Ålands jakt- och fiskemuseum
Museum about everyday life on the fishing villages as well as hunters and fishermen in Åland. Exhibition has extensive collection of fishing and hunting equipment. Trophies. Small library. Museum shop with souvenirs. Open mid-May to the end of August. The old fishing harbour and its boat shelters right next to the museum is also worth taking a look.
Käringsunds Viltsafari
A game safari zoo, 45-min tour available. Game pasture with red deer, fallow deer, wild boar, ostriches and llamas. Also accommodation and boat trips.
Eckerö post- och tullhus
A historical building that served as a mail and customs office. Built 1828 it is considered as one of the most impressive works of its architects Ludvig Engel and Carlo Bassi, and together with the Bomarsund fortress as most important buildings from the Russian era in Åland. It is hugely oversize for the village, as it was built as a symbol of the Russian Empire at the main mail route to Sweden. Art exhibition indoors and a small museum shop; the building also hosts artists in residence. Café at the yard. Open mid-May to early September. Postmen memorial by the sea.