Estes Brook is an unincorporated community in Mille Lacs County, Minnesota, United States.

The community is located near the junction of Mille Lacs County Road 7 and 70th Street.

County Roads 12 and 13 are also in the immediate area.

Nearby places include Milaca, Foreston, Oak Park, and Princeton.

This article about a location in Mille Lacs County, Minnesota is a stub.