Keiss Castle is a striking 16th-century tower house ruin dramatically positioned on the clifftop above Keiss beach on the Caithness coast. The roofless tower stands adjacent to the later Keiss House (18th century, still occupied) creating an interesting architectural pairing of old ruin and successor building. The ruin is easily visible from the beach below and from the road through the village. The castle was a Sinclair family stronghold and forms part of the extraordinary concentration of castle ruins on this stretch of the Caithness coast.
On the A99 between John o'Groats and Wick. Turn into Keiss village. Castle is visible from the beach.