Which factor most influenced the popularity of fiberglass boats in the 1960s?

The popularity of fiberglass boats in the 1960s can be largely attributed to the reduction in hull costs and maintenance associated with this material. Fiberglass offered several advantages over traditional materials like wood and metal. It was lighter, which improved performance and fuel efficiency, and it was also resistant to rot, corrosion, and weathering. This adaptability meant that owners faced lower maintenance costs over the lifespan of their boats, making fiberglass highly appealing to both recreational and commercial users.

Additionally, the manufacturing processes for fiberglass allowed for economies of scale, which contributed to lower production costs. As production became more efficient, the resulting savings were often passed on to consumers, making fiberglass boats more affordable compared to their wooden or metal counterparts. This significant decrease in costs and upkeep made fiberglass boats more accessible and attractive to a wider range of boating enthusiasts, marking a major shift in the industry during that era.

While the other factors listed may have played a role in boat design and usage patterns during the 1960s, the economic aspect of reduced costs and maintenance made fiberglass an especially compelling choice for boat buyers at that time.