august, 2020 Marquette County Fair - Canceled for 2020 Marquette County Fair 715 M-553, Gwinn, MI 49841 13augAll Day15Marquette County Fair - Canceled for 2020 Time august 13 (Thursday) - 15 (Saturday) LocationMarquette County Fair715 M-553, Gwinn, MI 49841 Learn More CalendarGoogleCal