700 Grand AveDes Moines, IA 50309 Phone: +1 515-245-5500Fax: +1 515-245-5567Toll Free: +800-228-9290 Hotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 417 $267-$321 (USD) Hoteliers! Is your information accurate? Update Here Des Moines Marriott Downtown Location & Neighborhood City center - 4 MI, 10 min from Des Moines Intl airport.