If your father in law won't fix his rotting stands, his hunting is coming to an end soon. Somebody will get hurt, or it will fall apart to the point it won't be worth the effort for the interest he has in it.
If you can float it, I'd go buy a new property and as soon as you get it closed, get your other one on the market. Might be tight for a few months, but it sounds like you might be able to unload your 25 to a neighbor easily, especially if you get them bidding against each other.
I also wouldn't get too enamored with providing opportunity for too many people. Rotate your core group of people you care about and make it work. I've considered hanging up the rifle and sticking to bow only. It would free up a space on my land during gun, and I enjoy bow way more anyway.
Lastly, what if you drove an extra hour or two? I go quite a ways to get to my property, but it saved me about tens of thousands of dollars.