There is parking off Inkerman, in Bath Street (same side as Post Hotel). Tram 3/3a or 67 down St Kilda Road from the City.
You can park on St Kilda Road (Sunday, no restrictions). Public parking is available on Bath Street, just past the Hotel on Inkerman Street. Or catch a tram if they are running, or take a helicopter, land elsewhere and get an Uber. Or walk. Or take the bus, but fer gawdsake bring it back. Or come the next week instead. Bring the spouse. Collect double points if it is someone else’s.