A police source said locked gates, building site barriers and multiple signs didn't stop dozens of people from attending the tourist hot spot, with police issuing 21 COVID-19 fines on Saturday.

The Twelve Apostles remain closed in an effort to reduce congestion and abide by social distancing regulations, however other parks are beginning to open as coronavirus regulations are relaxed.

Electronic signs displaying the message that the Twelve Apostles is shut have been erected for motorists entering Port Campbell from both directions.

It is understood more signs were delivered to the tourist hot spot on Sunday.

Police were unable to provide further details of the recent fines.

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