Hotel Information

Gaithersburg Marriott Washingtonian Center
9751 Washingtonian Boulevard
Gaithersburg, MD 20878 USA
Telephone: 301-590-0044

Make Your Hotel Reservations

The Gaithersburg Marriott Washingtonian Center is conveniently situated in the suburbs of Washington, DC. Take a short walk to Rio Lakefront for shopping, dining, and entertainment, or dine in at the on-site restaurant. The hotel has additional features including a business and fitness center with enhanced cleaning measures.

Reservations

A room block is reserved for symposium delegates at the special group rate of $214 USD for a *single or double room (plus 15% occupancy tax). The deadline to reserve your accommodations is Friday, April 6, 2026. The room block will most likely be filled before the deadline; we recommend that attendees book their hotel accommodations well before the deadline to secure this rate. The Gaithersburg Marriott requires a deposit of one night's rate plus tax via credit card to guarantee your reservation.

Parking and Transportation

Attendees traveling by plane can utilize Ronald Reagan Washington National Airport (DCA, 30 miles away), Dulles International Airport (IAD, 35 miles away), or Baltimore/Washington International Thurgood Marshall Airport (BWI, 50 miles away).

For local attendees that will drive to the Symposium and stay at the Gaithersburg Marriott Washingtonian Center, parking is available on-site for an additional fee. 

By staying at the host hotel, you help CASSS meet its contractual obligations and keep future registration fees reasonable. Please take this into consideration when making your accommodation decisions.

*Room types are not guaranteed and are based on availability when the individual reservation is made.