Allyndale Motel, 510 N 66th Ave W, Duluth, MN 55807, (218-628-1061)
Downtown Motel, 131 W 2nd St, Duluth, MN 55802, (218-727-6851)
Duluth Motel, 4415 Grand Ave, Duluth, MN 55807, (218-628-1008)
Grand Motel4312 Grand Avenue, Duluth, MN 55807-2738(218) 624-4821
http://www.motel6.com/reservations/motel_detail.aspx?num=1294
I've heard the Allyndale Motel is good (just a few blocks from where I live). Not sure on the others. They should all be pretty cheap, though. Have a good trip.