The Port Service Corporation (ポートサービス, Pōto Sābisu) is a passenger ship operating company in Yokohama.

Founded in 1953, the company operates seabuses, an excursion cruise ship, and a restaurant ship, all within the Port of Yokohama.

The services include public lines listed below, as well as chartered ships.

Arrows (→) indicate ships only go that direction.

Lines are operated every day.