Mackoniškės is a village in Trakai District Municipality, in Vilnius County, Lithuania. Mackoniškės lies at 154 m above sea level. The nearest city is Alytus, 42 km to the west. Among the landmarks around are Trakai Island Castle (22 km), Basilica of the Visitation of the Blessed Virgin Mary (22 km) and Trakai Kenesa (22 km). Among the natural features are A. Mickevičius oak (6.5 km).