山陽新幹線
The best way to access the island from the mainland is to take the Sanyō Shinkansen train to Mihara Station (only the Kodama stops there). At Mihara, catch the Kure Line local train to , and from there walk to the terminal and catch a ferry. Habu Shosen now also runs direct ferries from Mihara Port to Ōkunoshima on weekends.