Bishop's Palace
Bu Of Cairston Castle
Burn Of Lushan Castle (site of)
Carrick House
Castle Bloody (site of)
Castle Grimness (site of)
Castle Of Snusgar (site of)
Castle Of Stackel Brae
Cubbie Roo's Castle
Damsay Castle (site of)
Earl's Palace
Earl's Palace
Ellibister Castle (site of)
Gernaness
Halcro Castle (site of)
Kirkwall Castle (site of)
Langskaill Castle
Noltland Castle
Sealskerry Bay Castle (site of)
Smiddybanks (possible) (site of)
Snelsetter Castle (site of)
Westness Castle