Historical maps mark the location of Ballyduff Castle in ruins.

[2] Ballyduff is approximately 9.8 kilometres (6 mi) west of Lismore, County Waterford and 17 kilometres (10 mi) east of Fermoy, County Cork.

The village is located on the River Blackwater, which is spanned by the late 19th century Ballyduff Bridge.

[3] The former Ballyduff railway station (opened in 1872 and closed in 1967) was located on the Waterford to Mallow line.

[4] Bus routes which serve the area include Local Link Waterford services on certain days.