Castle Avenue Cricket Ground, also known as Clontarf Cricket Club Ground, is a cricket facility in the suburb of Clontarf, Dublin, Ireland. It is the primary of the two grounds of Clontarf Cricket Club, the secondary being at Mount Temple Comprehensive School, and the lands on which it lies are also home to two rugby union pitches belonging to Clontarf FC. The ground is one of only four One Day International grounds on the island of Ireland.