Larkin collected a third Leinster medal in 2007, as Kilkenny asserted their provincial dominance and defeated Wexford by 2–24 to 1–12. On 2 September 2007 Kilkenny faced defeated Munster finalists and surprise All-Ireland semi-final winners Limerick in the championship decider. Kilkenny got off to a flying start with Eddie Brennan and Henry Shefflin scoring two goals within the first ten minutes to set the tone. Limerick launched a second-half comeback, however, "the Cats" were too powerful and cruised to a 2–19 to 1–15 victory. It was Larkin's second All-Ireland medal.