Transpotation
Blue Shuttle service is available from all three metropolitan airports (i.e., Dulles, Baltimore Washington International (BWI), and Washington National airports) to the Derwood area. If arriving at National Airport, you have the option of taking the Metro Train (Red Line) to Shady Grove station.
Taking the Blue Shuttle from National Airport to the Washingtonian Marriott will cost $25.00 for the first person and $8 for each additional person; from Dulles Airport the cost is $25 for the first person and $10 for each additional person; and from BWI Airport, the cost is $32 for the first person and $10 for each additional person. The Blue Shuttle holds seven people. This cost goes down when traveling in groups.
Taking the Metro Train from National Airport to Shady Grove will cost between $2.10 and $4 dollars, depending on time of day.