Lakeville south of downtown Minneapolis in the U.S. state of Minnesota in Dakota County. On the south metro fringe, Lakeville is one of the fastest growing cities in the Minneapolis-St. Paul metropolitan area. Lakeville is located on Interstate Highway 35. With an interstate highway link to the Twin Cities and undeveloped land, Lakeville has grown at rapid pace in the region's exurbia. The city became notable in 1910 when Marion Savage built the Dan Patch Railroad Line to service his Antlers Amusement Park.