Transportation Petersburg is accessed by air and water. It is on the mainline State ferry route. The State-owned airport and seaplane base allow for scheduled jet and float plane services. The runway length is 6,500'. Other facilities include three docks, two petroleum wharves, two barge terminals, and three boat harbors with moorage for 600 boats.
Barges deliver goods on a regular basis.
There is no deep water dock or anchorage for large ships such as cruise ships. Climate Petersburg's climate is characterized by mild winters, cool summers and year-round rainfall. Annual precipitation averages 106.3 inches, including 97 inches of snow. Water delivery is also available. Nearly all homes are plumbed.