Citizens of the following countries can stay for up to 90 days without a visa.
Albania, Andorra, Antigua and Barbuda, Argentina, Australia, Austria, Bahamas, Barbados, Belgium, Bosnia and Herzegovina, Brazil, Brunei, Bulgaria, Canada, Chile, Costa Rica, Croatia, Cyprus, Czech Republic, Denmark, El Salvador, Estonia, Finland, France, Germany, Guatemala, Holy See, Honduras, Hungary, Iceland, Ireland, Israel, Italy, Japan, Latvia, Lichtenstein, Lithuania, Luxembourg, Macedonia, Malaysia, Malta, Mauritius, Mexico, Monaco, Montenegro, Netherlands, New Zealand, Nicaragua, Norway, Panama, Paraguay, Poland, Portugal, Romania, Saint Kitts and Nevis, San Marino, Serbia, Seychelles, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, The Holy See, United Kingdom, Uruguay, USA and Venezuela.
Irish visa information
Irish embassies and consulates
Foreign Embassies and Consulates in Ireland