Hotel Reservations

A block of rooms have been reserved for April 22 - 27, 2017. The special room rate of $229 will be available until April 3rd or until the group block is sold-out, whichever comes first.

Click here to reserve your room online
or call Marriott reservations at 1-877-212-5752 or 703-818-0300.

Please ask for the NSI IMPACT 2017 rate at the Westfields Marriott, Chantilly, VA in order to receive the special group rate of $229 per day.


The Westfields Marriott is located at 14750 Conference Center Drive, Chantilly, Virginia 20151, Tel: 703-818-0300. The Westfields Marriott Washington Dulles hotel combines sophisticated meeting facilities with elegant hotel accommodations in a convenient location in Chantilly, Virginia. The National Air and Space Museum, Virginia wineries and the Wolf Trap Center for Performing Arts are all within 10 miles of this premier Centreville hotel. Located near the Dulles Expo Center, within 7 miles of Washington Dulles International Airport and only 35 minutes away from downtown Washington, DC, this Centreville hotel offers exceptional Marriott service and a vast array of activities. An ideal location for hosting a corporate meeting or relaxing during a family vacation, this Virginia conference center also features access to the Westfields Signature Fred Couples Golf Club.