Alma Park is a small park in St. Kilda, Melbourne, where you can camp overnight in your car for free. From here you can easily walk to St. Kilda Beach.
In the park you find drinking water, but no toilets.
UPDATE: A reader informed as that she was woken up by the council officer. She did not get fined, but got the warning that fines can be up to 1000 dollars. If you know other places, please click on “Add Tip” in the menu.