No, the Dublin trams (known as the Luas) are not free. While there is a persistent urban legend (often circulated as a joke online) that the Luas is "free for everyone," this is completely false. The Luas is a "Proof of Payment" system, meaning there are no turnstiles, but you must have a valid ticket or a validated Leap Card before you board. Ticket inspectors frequently patrol the trams, and if you are caught without a valid fare, you will be issued a Standard Fare (fine) of €100. In 2026, the most convenient way for a tourist to pay is by using a Leap Visitor Card, which offers unlimited travel for 1, 3, or 7 days, or by simply tapping a standard Leap Card on the "validator" on the platform before and after your journey. For those without a card, there are ticket machines at every stop that accept cash and credit cards. A grounded peer tip: remember to "Tap Off" when you exit the tram; if you forget, you will be charged the maximum fare for that line. The system is highly efficient and covers most of the city, but it definitely requires a paid fare to ride legally.