A 14 day quarantine period is mandatory for almost all visitors to the Republic of Ireland (except if your journey originates in Northern Ireland).
The quarantine period must be completed either:
Travellers from the USA and Canada have been added to the list of countries that must complete all 14 days of the quarantine period at a monitored hotel site, borne at the travellers expense.
The Irish government is in the process of allowing fully vaccinated travellers to skip hotel quarantine. More news here when we get it.
Home quarantine lasts 14 days. However, this requirement may be lifted on receipt of a negative/ ‘not detected’ result of a PCR test taken no less than 5 days after arrival.
Get more travel tips and info on Coronavirus requirements