This study reports the results of a survey on the transformation of fisherman’s houses due to changes in kelp harvesting. The survey was conducted in the Kamoiunbe area of Rausu town in the Menashi district of Hokkaido on three fisherman’s houses that were open at the time of the survey and consented to participate. First, by the 1980s, infrastructure such as roads and electricity had already been developed, and industrial techniques such as aquaculture and drying sheds had been modernized. The survey results also revealed that there had been recent changes in the social structure due to the aging local population, the lack of successors, and the global changes in the marine environment. Second, the results from the three surveyed fisherman’s houses revealed that while more recent lodges had a particular style, there had been a shift toward highly durable structural and exterior materials. Other lifestyle changes had also occurred, such as a shift toward floor plans that accorded greater privacy to the resident families and workers and an expanded use of home appliances.
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