Lake Ulken Shabakty (Kazakh: Үлкен Шабақты, Ülken Şabaqty; Russian: Большое Чебачье) is a lake in the Burabay District, Akmola Region, Kazakhstan.

The lake lies by Burabay spa town, in the Shchuchinsk-Borovoye resort zone.

It is part of the Burabay National Park, a protected area.

Lake Kishi Shabakty lies 3 km (1.9 mi) to the west, and lake Shchuchye 16 km (9.9 mi) to the SSW.

The lake basin is of tectonic origin, with granite rocks lining certain stretches of the shore.