Videos emerged online of as many as 100 people dancing at the event at Oliver Bonds flats over the weekend
Gardaí are not investigating those who attended the event but there may be sanctions for those who organised it.
A number of other videos of people partying in Dublin emerged as 241 new cases of COVID were identified in the county yesterday.
Taoiseach Micheál Martin says people need to stick by the guidelines to reduce the spread of the virus:
