From Cork:

From N25, take exit for Cobh/Fota. At Fota bridge turn right for Cobh, pass (1)Great Island Motors on left and then Take (3)Second left at small cross roads after (2)Ellen’s Kitchen cafe. Take (4) next right at cross roads adjacent to church. Robin Hill  House is (5) second driveway on left, after church .

Scrollable Google Map.