The Tomakomai Oarai ferry route connects Hokkaido with Japan. Currently there is just the 1 ferry company operating this ferry service, MOL Ferry. The crossing operates up to 16 times each week with sailing durations from around 18 hours.
Tomakomai Oarai sailing durations and frequency may vary from season to season so we’d advise doing a live check to get the most up to date information.