Split Point Lighthouse, affectionately known as the White Queen or the White Lady, can be found at 38°28′03.31″S, 144°06′13.93″E (Goggle Maps). It was built in 1891, overlooks Eagle Rock, and has only recently been opened for tours.
This is the last shot along the Great Ocean Road, and I jump now to the Mornington Peninsula. If I ever get back, I'll try to fill in more of the coastline.