There is finally a reasonable long term parking alternative for those cruising Alaska from the Port of San Francsico. SF Cruise Park at Pier27 ( 2 blocks south of Pier35 cruise terminal) provides secure indoor parking and a FREE shuttle service for passengers and luggage to and from the cruise terminal. They accept all major credit cards AND personal checks! The other operators require cash in advance, a heavy burder for a 14 day cruise. I found out about them by calling the Port of San Francsico parking information line at (415)-274-0608.