Grand Casino Mille Lacs Hotel Back to Search Grand Casino Mille Lacs Hotel Categories Lodging 700 Grand Ave , Onamia , MN 56359 (320) 532-7777 http://www.grandcasinomn.com/ Contacts Primary Joe Nayquonabe Commissioner of Corporate Affairs Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone Tell a friend about Grand Casino Mille Lacs HotelSend to FriendCancel