Castle Avenue, also known as Clontarf Cricket Club Ground is a cricket ground in the suburb of Clontarf, Dublin, Ireland.
It sits in the shadow of Clontarf Castle, and is home to Clontarf Cricket Club. The 50th anniversary of the first game played on the current cricket field was celebrated in 2008. It has a capacity of 3,200 spectators.
Clontarf is one of three ODI grounds in Ireland (the others being Stormont in Belfast and Malahide in Dublin), hosting its first ODI match on May 21st, 1999 as part of the 1999 Cricket World Cup when Bangladesh played the West Indies. Ireland played their first ODI at that venue in July 2007 against the West Indies as part of a quadrangular series.
There are also two rugby union pitches on the complex, which are home to Clontarf RFC since 1876.