Simokai is a village in Šakiai District Municipality, in Marijampolė County, Lithuania. Simokai lies at 43 m above sea level. It has 1 inhabitant. The nearest city is Marijampolė, 23 km to the southeast. Among the landmarks around are Vilkaviškis Cathedral (13.1 km), Church of St. Mary Magdalene in Šunskai (14.3 km) and Church of St. Anthony of Padua, Bagotoji (11.6 km).