A tour boat operator in Hokkaido, Japan, has been sentenced to five years in prison following the sinking of a vessel in April 2022. The boat capsized off the Shiretoko Peninsula, resulting in the deaths of eighteen passengers and two crew members. Six individuals remain missing and presumed dead. The disaster occurred during a sightseeing tour, and investigations revealed safety deficiencies contributed to the incident. The operator was found responsible for negligence in ensuring the boat’s seaworthiness and for proceeding with the tour despite adverse weather warnings. This sentencing follows a lengthy investigation and trial focused on the preventable nature of the tragedy and the operator’s failure to prioritize passenger safety. The incident prompted increased scrutiny of safety regulations for tour boats operating in the region.