General Info | Onamia Area Website - MNOnamia Minnesota is in Central Minnesota - slightly east near Mille Lacs Lake-Minnesota's 2nd largest inland lake at 132,516 acres 536 km2 known for fishing with …
Guide to Onamia MinnesotaGuide to Onamia Minnesota. Complete directory including history, businesses, resorts, city goverment, health care, road and aerial maps and much more.