Aquaculture has an important role in fisheries.
The facilities of the port are being constructed to raise sea urchins,sea-squirts,abalones,etc. The Kamiiso factory of Nihon Cement Co.,Ltd., the largest cement factory northern Japan, operates as a key industry in southern Hokkaido. About 50 firms have opened corporate facilities at the Agricultural and Industrial Park in Oiwake and Hakodate Technopolis.