Mitsui O.S.K. Passenger Line is offering the "Enjoy a Solo Sea Voyage: Single Campaign (Single Premium / Single Superior Campaign)" where the cabin charter fee is ¥0 when using a premium/superior private room for 2 (up to 3) people on eligible ships, for solo use. Due to its popularity, the campaign will be extended from August 25, 2026, to December 31, 2026.

Details of the "Enjoy a Solo Sea Voyage: Single Campaign"

Campaign Period
Departures from Tuesday, August 25, 2026, to Thursday, December 31, 2026
*D and E periods are excluded.

Eligible Ships
Evening departures: Sunflower Sapporo, Sunflower Furano

Single Premium Campaign

Normally, when using a premium private room for 2 (up to 3) people for solo use, an additional cabin charter fee of ¥18,700 (Period B) is required. However, during this campaign period, you can board for the price of just one adult passenger fare.

The room is equipped with a shower and toilet unit! For riders who "want to enjoy a sea voyage with a bit of luxury and value their private space!", why not take this opportunity to enjoy a relaxing sea journey?

For room details (facilities, amenities, etc.), click here.

Campaign Details
Premium room for 1 adult (Period B)
■ Normal: ¥37,400 (1 adult passenger fare) + ¥18,700 (cabin charter fee) = ¥56,100
■ With this campaign: Only ¥37,400 (1 adult passenger fare)!
★★ Save ¥18,700 compared to normal!
*Superior with Pet is not eligible.

Single Superior Campaign (Ocean View Japanese-style Room)

Normally, when using a superior (ocean view Japanese-style) private room for 2 (up to 3) people for solo use, an additional cabin charter fee of ¥14,300 (Period B) is required. However, during this campaign period, you can board for the price of just one adult passenger fare.

The room is equipped with a shower and toilet unit! For riders who "want to enjoy a sea voyage while valuing their private space!", this is a chance to enjoy a relaxing and comfortable solo sea journey.

For room details (facilities, amenities, etc.), click here.

Campaign Details
Superior (Ocean View Japanese-style Room) for 1 adult (Period B)
■ Normal: ¥28,600 (1 adult passenger fare) + ¥14,300 (cabin charter fee) = ¥42,900
■ With this campaign: Only ¥28,600 (1 adult passenger fare)!
★★ Save ¥14,300 compared to normal!
*Superior with Pet is not eligible.

Single Superior Campaign (Ocean View Western-style Room)

Normally, when using a superior (inside) private room for 2 (up to 3) people for solo use, an additional cabin charter fee of ¥12,100 (Period B) is required. However, during this campaign period, you can board for the price of just one adult passenger fare.

The room is equipped with a shower and toilet unit! For riders who "want to enjoy a sea voyage while valuing their private space!", let's enjoy a relaxing and comfortable solo sea journey.

For room details (facilities, amenities, etc.), click here.

Campaign Details
Superior (Inside) for 1 adult (Period B)
■ Normal: ¥24,200 (1 adult passenger fare) + ¥12,100 (cabin charter fee) = ¥36,300
■ With this campaign: Only ¥24,200 (1 adult passenger fare)!
★★ Save ¥12,100 compared to normal!
*Superior with Pet is not eligible.

How to Book

Reservations are accepted by phone or via online booking only.

For online bookings, please select the following when checking availability:
For Premium: "Class: Single Premium"
For Superior Ocean View Japanese-style Room: "Class: Single Superior (Japanese-style Room)"
For Superior Inside Western-style Room: "Class: Single Superior (Western-style Room/No Window)"

*Can be combined with other discounts and campaigns (for other campaigns, click here)
*Reservations for this campaign are accepted from 2 months prior to the departure date.
*The number of cabins for this campaign is limited, so early booking is recommended.
*Payment is possible with tickets issued by travel agencies.

Phone Reservations: 0120-489850
Reception Hours: Weekdays 9:00-17:00, Saturdays 9:00-12:00, Closed on Sundays, Public Holidays, December 31 - January 4, and May 1.
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