Slabatka is a village in Kalvarija Municipality, in Marijampolė County, Lithuania. Slabatka lies at 111 m above sea level. It has 6 inhabitants. The nearest city is Marijampolė, 25 km to the north. Among the landmarks around are Sejny Synagogue (26 km), Puńsk synagogue (14.0 km) and Church of the Assumption in Puńsk (14.2 km).