Otaru, and the other to Tomakomai. Both of those towns are relatively close to Sapporo. To the south the ferries go to Niigata, and also to Tsuruga and Maizuru (which are roughly near Kyoto). Reservations can be made in English by email. For Golden Week and busy times, ferries fill up weeks or months in advance. These ferries accommodate passengers with or without vehicles, though the ferry terminals may be inconveniently located for passengers on foot
