66 WALNUT, Gladwin, MI 48624, Gladwin, MI, 48624 is has 1,300 sqft. of livable floor space. This listing for sale has 3 bedrooms, and 2 baths. 66 WALNUT, Gladwin, MI 48624 is a 9,019 size lot located in Gladwin is active on the market for $179,900. This listing for sale is located in Gladwin in the zipcode 48624.