Whiterock is a small village in County Down, Northern Ireland.

It is within the townland of Killinakin, in the civil parish of Killinchy and historic barony of Dufferin, on the western shore of Strangford Lough, near to the village of Killinchy.

[3] The latter is based in a moored former lightship, the Petrel, acquired in 1968.

The lightship had been built by the Dublin Dockyard Company in 1915 for the Commissioners of Irish Lights and since registered as a National Historic Ship UK.

This article related to the geography of County Down, Northern Ireland is a stub.