Stone Bank (formerly Newberg) is an unincorporated community located in the towns of Merton and Oconomowoc, in Waukesha County, Wisconsin, United States.

The Stone Bank Fire Department also served portions of the Town of Ashippun with EMS services.

County Highway C runs along this ridge between Nashotah and its termination at the Stone Bank Market.

At the base of the east hill lies the Oconomowoc River, a stream that runs through North Lake and meets Okauchee Lake in a small marsh between the east hill and Lakeview Drive.

In addition, the Stone Bank Fire Department typically holds an annual Pancake Breakfast and Open House in May.