Hong Kong’s catering sector and hoteliers are expecting a business boost during the Labour Day “golden week” holiday from May 1 to 5, with industry leaders hoping the growing trend of mainland Chinese visitors hiking and sailing yachts will bring a windfall to seafood restaurants in Sai Kung and the outlying islands.

The industry leaders also said on Wednesday that rising tensions in the Middle East, which have pushed up fuel surcharges, had inadvertently benefited Hong Kong, as mainland...