Of zero counties in The Last Frontier, Petersburg Borough ranks zeroth in terms of size (zero square miles). Petersburg Borough is in Inside Passage Alaska. Recent listings of recreational land and property for sale in Alaska's Petersburg Borough totals roughly 1,000 acres and a combined market value of almost $2 million. The most common type of land for sale by combined acreage in Petersburg Borough is undeveloped land. Browse all recreational property for sale in Petersburg Borough to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development. The most common type of land for sale by combined acreage in Petersburg Borough is undeveloped land.