People are being reminded that travel to airports and ports should only be taken for essential reasons and holidays abroad are not deemed essential.
Gardaí issued the reminder along with an update on the number of fines issued for non-essential travel since they were first introduced two weeks ago.
In a statement, An Garda Síochána said that approximately 1,500 fines have been issued for non-essential travel since 11 January.
As of yesterday, 909 fines for non-essential travel had been processed and approximately 645 fines are currently being processed, gardaí said.
They reminded people that checkpoints and high-visibility garda patrols are continuing at public amenities across the country in support of public health regulations.
They also reminded the public that they are only allowed to exercise within 5km of their home.