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National Convention Hotel

Marriott-Waterfront Hotel
700 Aliceanna St.
Baltimore, MD

Special Room Rates:
Single or Double Room - $149 (Convention dates only - July 10, 11, 12, 13)
Single or Double Room - $189 (Shoulder dates - July 7-9 and July 14-16)
Single or Double Room -Harbor View) $229 (all dates)


Make your reservation (for convention dates only) online here.  You must call the hotel at (410) 385-3000 to reserve shoulder dates (provide hotel with your confirmation # to be sure the reservations are linked). Be sure to reference the Williams Syndrome Association room block to receive the special room rate.