Proceed five blocks to 22nd Street and make a right turn. The hotel is on the right. Follow signs for the Memorial Bridge. Then follow the National Airport directions. Parking garages are available nearby for comparable prices.
Street parking is hard to find.
For most currencies, exchanges can be made readily either at the airports or at banks in the vicinity of the hotel. A block of rooms has been designated for the conference at special rates, including a small number of rooms that may be reserved at the prevailing U.S. Government per diem rate. In addition, the Marriott will allow students to share rooms up to four persons, at reduced rates. Unfortunately, during the academic year, no dormitory housing is available. All reservations must be guaranteed either by credit card or by a first night room deposit.