Ronayne made his debut for the Dublin senior football team in the 1979 Leinster Senior Football Championship final against Offaly.[2] He won an All-Ireland Senior Football Championship medal in 1983 when a twelve-man Dublin team, dubbed the ‘Twelve Apostles’, defeated Galway in the final.[3][4] In total he won four Leinster Senior Football Championship medals in 1979, 1983, 1984, and 1985,[5] and an under 21 Leinster Football Championship medal in 1980.[4] He won a National Football League medal with Dublin in 1987 beating Kerry 1-11 to 0-11 in the final.[4]