The Nobbies, Phillip Island.
Victoria.

The Nobbies Centre is an ecotourism destination located at Point Grant, on the western tip of Phillip Island, Victoria, Australia. A network of boardwalks outside the centre overlook Seal Rocks, The Nobbies, and The Blowhole.
One and a half kilometres offshore from The Nobbies are Seal Rocks, home to Australia’s largest Australian Fur Seal colony with an estimated 16,000 inhabiting the area, around half a million people visit the centre yearly, with 53% being international visitors. .
See the awesome blowhole, a spectacular sea cave that thunders during big southern swells