Hiiumaa Art Gallery
 
Keskväljak 5a Kärdla (entrance on the right hand side of the building) 

in summer season (16. June - 26. Aug) open: Tue to Sat 11-17

Exhibitions in Kärdla Culture Centre 
Rookopli 18, Kärdla
open Mo-Fr 9-17

Long House of Hiiumaa Museum 
Vabrikuväljak 8 Kärdla
01.01 – 30.04 Mon-Sat 10 – 17, closed on Sunday
01.05 – 30.09 Mon-Sun 10 – 18
01.10 – 31.12 Mon-Sun 10 – 17
Museum is closed in national holidays.