At the Dayton Marriott, you'll enjoy a relaxed setting close to downtown and major corporate and government facilities. All 399 guestrooms, including 120 Concierge level rooms and 9 suites, are stylishly decorated with new high quality bedding., A floor by floor total guest room renovation is underway from July 7, 2008 to October 12, 2008. Construction is limited to 9am - 5pm daily to minimize the impact to our guests.