Getting to Rosslyn:
There are many ways to get into Rosslyn via car, Metro, Metrobus, etc. You can find more information here.
Hyatt Centric Arlington, Senate Ballroom
1325 Wilson Blvd, Arlington, VA 22209
There is free outdoor parking (Atlantic Public Parking) behind Hyatt Centric Arlington between N Nash Street and Fort Myer Drive (1820 Fort Myer Dr, Arlington, VA 22209). There is also free street parking along Hyatt Centric Arlington on N Nash Street and Wilson Boulevard. There is also garage parking at Hyatt Centric Arlington for $16 for up to 3 hours.