The lake is an exceptional fishery for big walleyes, Black Crappie, Bluegill, Channel Catfish, Largemouth Bass, Muskellunge (Muskie), Northern Pike, Smallmouth Bass, White Bass, Salmon, and Yellow Perch. There is a public access boat launch with hard-surface ramps on the north shore.
There is a Boating Club on Mona Lake that is open to the public.The boating club features a full service gas station dock, boat launch, full service kitchen, restrooms, Tiki Bar, playground, picnic areas, and a sandy beach
On the south side of Mona Lake is Ross Park, which is a 43-acre park located Randall Road. Ross Park Features a Sandy Beach Area with playground equipment, a picnic area, a paved walkway and a volleyball area. There is also a Boat parking area for those who want to come to shore.