Dublin Castle: Complete Visitor Guide (2026) (youririshadventure.com)
Dublin Castle sits off Dame Street in central Dublin. See tickets, opening hours, the State Apartments, guided tours and nearby hotels, then plan your visit
The €8 Dublin Castle ticket quietly skips the oldest, best corner of the whole site.
The guided tour costs a few euro more and gets you into the medieval undercroft and Viking layer. Full breakdown here.