
The Port of Akita is a seaport on the Sea of Japan coast of Akita Prefecture, to the west of the city center of Akita in the Tōhoku region of northern Honshū, Japan. It is classified as a Major Port by the Japanese government. The port has a total land area of 662.5 hectares.

The Port of Chiba is the largest seaport in Japan, located in Chiba Prefecture on the interior of Tokyo Bay. The Port spans 24,800 hectares across the cities of Ichikawa, Funabashi, Narashino, Chiba, Ichihara, and Sodegaura.

The Port of Funagawa is a seaport on the Sea of Japan coast of Akita Prefecture, in the city of Oga in the Tōhoku region of northern Honshū, Japan. It is classified as a Major Port by the Japanese government. The port has a total land area of 253.4 hectares.
The Port of Hachinohe is a seaport on the Pacific coast of Aomori Prefecture, in the city of Hachinohe in the Tōhoku region of northern Honshū, Japan. It is classified as a Specially-Authorized Port by the Japanese government as an official port of entry into Japan with associated immigration and customs facilities. The port is divided into five sectors, with a total land area of 619 hectares.

The Port of Hakodate is one of the main ports in northern Japan, located in Hakodate, on the northern island of Hokkaido.

The Port of Ibaraki is a Japanese maritime port in northern Ibaraki, Japan. It serves as the primary port for the industrial area centered on the city of Hitachi.

The Port of Kobe is a Japanese maritime port in Kobe, Hyōgo in the greater Osaka area, backgrounded by the Hanshin Industrial Region.

The Port of Nagoya , located in Ise Bay, is the largest and busiest trading port in Japan, accounting for about 10% of the total trade value of Japan. Notably, this port is the largest exporter of cars in Japan and where the Toyota Motor Corporation exports most of its cars. It has piers in Nagoya, Tōkai, Aichi, Chita, Aichi, Yatomi, Aichi, and Tobishima, Aichi.

The Port of Noshiro is a seaport on the Sea of Japan coast of Akita Prefecture, in the city of Noshiro in the Tōhoku region of northern Honshū, Japan. It is classified as a Major Port by the Japanese government. The port has a total land area of 276 hectares.

The Port of Osaka is the main port in Japan, located in Osaka within Osaka Bay. The Port of Osaka also has several sister ports including the Port of Busan.

The Port of Sakata is a seaport on the Sea of Japan coast of Yamagata Prefecture, to the west of the city center of Sakata at the mouth of the Mogami River in the Tōhoku region of northern Honshū, Japan. It is classified as a Major Port and as a Special Port by the Japanese government.

The Port of Takamatsu is a seaport in Takamatsu, Kagawa Prefecture, Japan.

The Port of Yokohama is operated by the Port and Harbor Bureau of the City of Yokohama in Japan. It opens onto Tokyo Bay. The port is located at a latitude of 35.27–00°N and a longitude of 139.38–46°E. To the south lies the Port of Yokosuka; to the north, the ports of Kawasaki and Tokyo.

The Port of Yokosuka lies to the south of the Port of Yokohama on Tokyo Bay. Under the Ports and Harbors Law of Japan it is classified as an Important Port. The city of Yokosuka administers the port.
The Port of Tokyo is one of the largest Japanese seaports and one of the largest seaports in the Pacific Ocean basin having an annual traffic capacity of around 100 million tonnes of cargo and 4,500,000 TEU's.

The Tsuruga Port is now one of the three main ports on the Sea of Japan.
Yokohama three towers are a group of historical towers at the Port of Yokohama. They have been given the nicknames The King, The Queen and The Jack. The best view of the three towers is considered to be from Ōsanbashi Pier.