Santău commune is located on the northern part the Ier valley, the relief is represented of plains, therefore the main activities are land cultivation and animal breeding. Thus, the dominant economic branch is agriculture, and the most representative agricultural association is CIT Santău. Not far from Santău, in Santăul Mic, one can find a fishing pond densely populated with Romanian carp, and crucian, and in the summer season with African sheatfish. The lake is quite small, but it is renowned among the fishermen whom prefer stationary fishing.