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Largest ever International Maritime Exhibition Sea Japan 2024 Opens in Tokyo in April

Updated: Feb 29

Largest ever International Maritime Exhibition Sea Japan 2024 Opens in Tokyo in April New Event: Offshore & Port Tech

Informa Markets Japan Co., Ltd. will hold the international maritime exhibition "Sea Japan 2024" and the co-located exhibition "Offshore & Port Tech 2024" at Tokyo Big Sight  exhibition center from 10-12 April.


Sea Japan, which has been held biennially since 1994 this year will celebrate its 30th  anniversary, will be the largest ever, with the exhibition area expanded by 1.5 times since the last time it was held in 2022. In addition to the shipbuilding, marine equipment and other technologies and services for the shipping industry, this year's event will also feature a new “Offshore & Port Tech” exhibition area focusing on offshore and port technology. In total, 600 companies from 30 countries and regions will exhibit in the exhibition, which is expected to attract 20,00 visitors over the three-day period.

General Information

Show Name : Sea Japan 2024

Co-located Event : Offshore & Port Tech 2024 

Dates : 10th-12th April 2024

Venue : Tokyo Big Sight Exhibition Center, East Halls 1, 2 & 3

Organiser : Informa Markets Japan Co Ltd

Special Supporter: The Nippon Foundation

Supporters : Ministry of Land, Infrastructure, Transport and Tourism, The Japanese Shipowners' Association, Japan Federation of Coastal Shipping Associations, The Shipbuilders' Association of Japan, The Cooperative Association of Japan Shipbuilders, Japan Ship Exporters'  Association, The Japan Shipping Exchange, Inc., Japan Ship Machinery and Equipment Association, NIPPON KAIJI KYOKAI (ClassNK), The Japan Society  of Naval Architects and Ocean Engineers, Japan Passengerboat Association, Japan Long Course Ferry Service Association, Japan External Trade Organization(JETRO), National  Maritime Research Institute(NMRI), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan Ship Technology Research Association, Shipbuilding Research Centre  of Japan, Promotion and Research Institute for Ocean Economics, Ocean Mining Industry Promotion Roundtable, Engineering Advancement Association of Japan.



600 exhibitors (2022: 350 exhibitors, 2018: 580 exhibitors). The largest-ever number of  exhibitors (the exhibition hall has be expanded from two halls to three halls). 10 overseas pavilions, and exhibitors from a total of 30 countries and regions. Pavilions: China, South Korea, Netherlands, Germany, Denmark, Norway, UK, Turkey, Poland, USA.

More than exhibitor 80 presentation seminars, including numerous of presentations by first-time exhibiting companies.



A total of 27 seminars and 75 lecturers will be held.

Sessions include:

  • International Maritime Seminars" featuring presentations by key persons from Norway,  Singapore and China.

  • Special Seminar" by Hiroyuki Yamato, President, Japan Agency for Marine-Earth  and  Technology (JAMSTEC)

  • ClassNK Seminar” Outlook on maritime “GX”.

  • Satellite VDES Consortium Seminar” Linking the ocean and space.

  • Coastal Shipping Seminar” organised by Kaiji Press.

  • Women Panel Discussion” Future workstyle revolution & female career development in the maritime industry.

  • National Maritime Research Institute Seminar” on state-of-the-art technology.

  • The Japan Shipping Exchange Seminar” Current development status and prospects for  practical use of MASS.

  • Promotion and Research Institute for Ocean Economics Mini symposium” Exploring a way for floating offshore wind power and fisheries to coexist in Japan.

  • Marine Open Innovation Institute Seminar” Pioneering oceanic digital transformation  initiatives with Suruga Bay as a testing ground.

  • Engineering Advancement Association of Japan Seminar” Developing human resources for  the next generation of offshore wind.

  • Ships and Marine Technology Seminar” organised by Ministry of Land, Infrastructure,  Transport and Tourism, ClassNK, Japan Ship Machinery and Equipment Association.

  • Carbon Neutral Port (CNP) Seminar” organised by The Japan Maritime Daily


Special Joint Event: 

The Japan Coast Guard's largest-ever survey vessel “Heiyo” will be open for inspection alongside Sea Japan

Date: Friday 12 April from 10:00~16:30 (boarding closes at 16:00)


Opening Ceremony: 

Date: Wednesday 10 April, 10:15-10:40

(held before the opening of the 'International Maritime Seminar')

For up-to-date and more detailed information, please visit the Sea Japan website.

Official website:


Sea Japan Secretariat Office

Informa Markets Japan Co Ltd

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