I'm going to try an bug in here in Florida if possible but it all depends on the situation. There are 27 adults in the group with a broad spectrum of skills. Everyone is at least related to a couple of other people in the group. I'm sure there will be others that join in as well.
The community I live in wouldn't be hard to defend and is on the outskirts of town. It has adequate water for gardening and a surplus of fish. Plus a 100' march out the front door and I'm in the woods with plenty of wild game.
If I'm forced to leave due to whatever situation arises I've got a few options.
I could move inland in the woods.
We have an invite to come to Wolf Laurel in the mountains outside of Mars Hill, NC.
We own property outside of Hardy, AR which is very secluded, has water and significant wild game.
If Florida, being a peninsula, is sealed off due to martial law (which would be easy to do) the group has access to a 35' sail boat to head to the Caribbean, South America, or to one of the southern gulf states.
Which avenue we would take, as said earlier, would depend on the situation.