Real Estate Listings Iroquois 519 Swafford Ave S519 Swafford Ave S PO Box 45 Iroquois, South Dakota 57353 Single Family Home$259,9003470 Sq. Ft. Details 311 S Ottowa St311 S Ottowa St, Iroquois, SD 57353 , Single Family Home$179,9001920 Sq. Ft. Details