I can absolutely gaurantee you that there is nothing even remotely climb-able at Kilcunda. I have spent the last 30+ years living in that locality and have spent many frustrating days searching for something .....anything.... that could be climbed without falling down on you. You cant even boulder traverse without pulling out (For want of a better word) handfulls of rock. Think slightly hardened coffee rock. The most frustrating thing is that all the rock you walk on is amazingly featured with pockets cracks edges, jugs you name it and its all frustratingly concrete hard.
Rumour has it that there may be some coastal limestone rock a little closer to Wilsons prom though.
By the way there is NOOO surf at Kilcunda or anywhere around that section of coast, don't bother going straight at the roudabout at Anderson just turn right like everyone else and enjoy the glorious waves that the island has to offer