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Indoor swimming pool and recreation complex with sports pool, recreational pool, jacuzzi, saunas and salt grotto. Useful in bad weather or outside the lake season.
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Secesyjna kamienica przy ul. Jana Pawła II 4
Art Nouveau tenement house from the early 20th century.
Kościół Niepokalanego Poczęcia Najświętszej Maryi Panny
Neo-Gothic Roman Catholic church from 1856–1875; the tower was added in the early 20th century. Worth including on a short walk through the older streets east of the lakefront.
Willa Gladtke
Historic early-20th-century villa, also known locally as Pałacyk Willa Gladtke.
Early-20th-century villa on Sienkiewicza Street.
Kościół ewangelicko-metodystyczny
Neo-Gothic church from 1907 and one of the most recognisable buildings in the town skyline. Its tower, reached by 105 steps, functions as a viewpoint over Ostróda.
Kamienica przy ul. A. Mickiewicza 9
Tenement house from 1896 in the centre of Ostróda.