And South Africa has political sovereignty. So South Africa meets the first two requirements. It also has a relatively developed economy with basic amenities. The choices may not be as great as in the United States but they are sufficient to make most libertarians happy. But the problem is that South Africa is no longer a safe country.
Crime is out of control and the government is pursuing policies that inevitably lead to disaster.
Taxi companies here compete for routes, not by dropping prices or improving services, but by murdering each other. I'm tired of people who think nothing of using someone's fence as a public urinal or who set up camp sites in the middle of public parks. Our political views and our life-styles come out of the Enlightenment and all the values it espoused. It doesn't do any good to locate a sovereign area which is inaccessible. If it has strict immigration laws then we can forget it.