Arendal Town Museum occupies Kløckers Hus, an 1826 merchant's house in the older part of town. Its rooms are a compact introduction to the shipping families, craftsmen, interiors, and everyday objects that shaped Arendal when the town was a busy sail and timber port.
The museum works best as a short stop while exploring Tyholmen and the harbour rather than as a major destination on its own. It gives useful context to the white wooden houses around it, especially if you are interested in how southern Norwegian coastal towns grew rich from the sea.