Checked a while agoWe last checked the official sources for this route on 2026-10-11. Prices and rules may have changed since: check the official page before you rely on it.
How often5 a day each wayDetails below
CrossingAbout 45 min to Toyoura, about 1 h via Shiraishijima
Adult fare¥520Adult, one way Kasaoka – Shiraishijima or Kitagishima
Bookingnot confirmed
Straight lines between the ports, not the real course. Port positions from OpenStreetMap.
Boats P
Boat
How often
Crossing
Car ferry
5 a day each way (Kasaoka 6:10–16:20); some sailings call at Shiraishijima. A second operator (Kanaburo Maru) runs 4 more a day on the same route.
About 45 min to Toyoura, about 1 h via Shiraishijima
Carries cars, motorbikes and bicycles (see the operator for vehicle fares).
Fares P
Adult, one way Kasaoka – Shiraishijima or Kitagishima
¥520
Adult, one way Shiraishijima – Kitagishima
¥200
Child (elementary school and under), one way Kasaoka – Kitagishima
¥260
Bicycle, Kasaoka – Kitagishima (plus the passenger fare)
¥180
One way, as published by the operator; fuel surcharges and seasonal fares may apply.
Tickets and booking P
Booking: not confirmed.
Where to buy tickets: not confirmed. Ask at the port.
Ports
Kasaoka Port (Fushigoe ferry pier)笠岡港(伏越港) Fushigoe is the ferry pier; passenger boats use the separate Sumiyoshi pier Show this port to staff
笠岡~白石島~北木島(豊浦・金風呂)(金風呂丸) · Setouchi Chuo Kanko Kisen
How often
4 a day each way
Crossing
About 40 min to Shiraishijima, about 1 h to Kanaburo
Adult
¥550
Booking
not confirmed
English names are the operator's own where it publishes them, otherwise romanised for this guide. Boats are often cancelled or changed in bad weather: check the operator's page on the day.