We recommend the following websites & links:
Great Ocean Road Accommodation This website has an extensive listing of accommodation venues along the entire Great Ocean Road.
Great Ocean Road Accommodation at The Boomerangs @ Johanna on the Great Ocean Road. Simply stunning cottages with spectacular ocean views! Very private.
http://2oznomadscrossthepaddock.blogspot.com.au/2012/05/grampians-national-park-halls-gap.html a great review of some happy campers.