Sharon and Gregory Belisle of Whitehorse, Y.T., have been coming to Haines about 15 years, often on a cabin cruiser they keep in Skagway. Last week, their boat’s steering went out in Lynn Canal, and they limped into the harbor to make repairs.

But with no local cab service, the Belisles were left hauling heavy pipe from a lumberyard. Then Gregory became ill, and Sharon had no way to get her husband to the…