I remember those massive multi-floor hotels around Crystal City, and Northern Virginia is very large so there are tons of traditional highway-oriented chain hotels there.
Any status on whether MARC or VRE trains will be running? Certainly D.C. government liberals have no power over them, right? There are other options besides WMATA, especially Amtrak.
Crystal City for starters. Also Alexandria near the King Street Metro stop. There's also a cluster of motels/hotels on Route 1, within easy walking distance (as long as you're not morbidly obese) of the Huntington Metro Station in VA. I think two are still places for working girls though. Probably Arlington, too, near a few Metro stops, but that area is even more infested with insane communists than Alexandria.
I don't know about MARC, but the VRE is most definitely controlled by leftists, a committee drawn from local county (communist-controlled) governments. Whether or not they dictate daily operations, I don't know.