The Ofune site’s location is about a 10-minute drive from the Kakinoshima site. It is about 5,500-4,000 years old, and many remains of dwellings have been found. This site was registered as a UNESCO World Heritage Site in July 2021.

The characteristic of the Ofune site is the remains of large dwellings. Some of the larger ones have a diameter of more than 10m and a depth of more than 2m. In addition, the remains of dwellings from different periods were found, to overlap eachother, indicating that stable settlements existed for a long period of time.