I didn't see any cabins while I did see RV and Tent Camping. There a feed to enter the park per vehicle.
I saw yurts they rent. The website should have all the info.
Cabins
The rates at the Lodge are absolutely insane. Must reserve for 2 night minimum at $346.00 per night. Stupif.
http://www.dcr.virginia.gov/state-parks/parkfees
Thanks! Your answer is awaiting moderation.