is a marine transportation company based in
Sado, Niigata
is a city located on in Niigata Prefecture, Japan. Since 2004, the city has comprised the entire island, although not all of its total area is urbanized. Sado is the sixth largest island of Japan in area following the four main islands and Ok ...
, Japan, founded as Sado Shosen on February 3, 1913. And, in 1932, this company was established by merging three ferry companies that Sado Shosen, Etsusa Shosen and Niigata Kisen into Sado Kisen as a
joint public-private venture for the first time in Japan. On March 31, 2022, a 66.54% of this company's shares are transferred to
Michinori Holdings. Now, this company belongs to
Michinori Holdings.
Routes
Sado Steam Ship has two routes which connect the mainland to Sado Island.
* Niigata – Ryotsu
* Naoetsu – Ogi (From spring to autumn)
Former routes
* Teradomari – Akadomari
Terminals

Sado Steam Ship operates from six terminals.
;Niigata port terminal
:Located in
Chūō-ku, Niigata
is one of the eight wards of Niigata City, Niigata Prefecture, in the Hokuriku region of Japan. It comprises much of the city centre. , the ward had an estimated population of 183,231 in 87,162 households and a population density of 4,900 pe ...
()
;Naoetsu port terminal
:Located in
Jōetsu ()
;Teradomari port terminal
:Located in
Nagaoka ()
;Ryotsu port terminal
:Located in
Sado ()
;Ogi port terminal
:Located in Sado ()
;Akadomari port terminal
:Located in Sado ()
Ryoutsu_port_Terminal.JPG, Ryotsu port terminal
Sadokisen_Naoetsu_terminal.jpg, Naoetsu port terminal
Sadokisen_Ogi_terminal.jpg, Ogi port terminal
Fleet
, the following ships are in service.
佐渡汽船ジェットフォイル02.jpg, ''Ginga'' and ''Tsubasa''
佐渡汽船ジェットフォイル_すいせい.jpg, ''Suisei''
おけさ丸2016.jpg, ''Okesa-maru''
Sado Steam Ship Akane P3.jpg, ''Akane''
赤泊港佐渡汽船に停泊する高速船あいびす.jpg, ''Aibisu''
References
External links
*
Ferry companies of Japan
Companies based in Niigata Prefecture
Transport in Niigata Prefecture
{{Japan-company-stub