Berger, we pull a 40' Crossroads Seville & been to the Fort a couple of times with it. One trick we use is to call each other on the cell and use that as an intercom.
Not sure where you're pulling in from but we always avoid Atlanta. We're coming down from Indiana & come down I-65 & then cross country to Orlando.
The suggestion of using the outside sites on the end of the loops is a good one. We've parked on the end and in the inside middle. If there is a truck parked there, it does get interesting. The biggest thing I've seen in there is a 46' motor home & a 46'