Underwater Drone Event 'OceanBiz2026 in YAMAGUCHI' Opens Visitor Registration; Exhibitor List Released

The Japan Underwater Drone Association (Headquarters: Ueno, Taito-ku, Tokyo; Representative Director: Yasuhiro Kobayashi; Secretariat operated by Space One Co., Ltd.) has opened visitor registration for 'OceanBiz2026 in YAMAGUCHI', a comprehensive underwater drone event to be held at the Iwakuni Marine Environmental Test and Evaluation Satellite (IMETS) in Iwakuni City, Yamaguchi Prefecture, on Friday, August 7, and Saturday, August 8, 2026. The association has also released the exhibitor list.

This event is co-hosted by Yamaguchi Prefecture and Iwakuni City. Admission is free, and advance registration is required. It is a two-day event where companies, research institutions, and organizations involved in the marine sector gather for exhibitions, live demonstrations, and technical exchange, covering underwater drones, ROVs, aquatic robots, underwater cameras, underwater positioning, ocean measurement, R&D, and local government initiatives.

This year, the three events 'OceanBiz2026 in YAMAGUCHI', the '11th Underwater Robot Festival', and the 'Underwater Science Classroom' will be collectively held as 'Iwakuni Ocean Tech Days2026'.

'OceanBiz', which has been well-received at Shimizu Port in Shizuoka, will now be held in the western Japan region.

'OceanBiz' is a comprehensive event specializing in underwater drones, aquatic robots, and related technologies, organized by the Japan Underwater Drone Association.

It was held consecutively in 2024 and 2025 at Shimizu Port in Shizuoka Prefecture, receiving significant acclaim within the underwater drone industry.

Now, co-hosted by Yamaguchi Prefecture and Iwakuni City, 'OceanBiz2026 in YAMAGUCHI' will be held as a western Japan venue. This provides an opportunity for companies, local governments, educational institutions, students, and local residents in Yamaguchi Prefecture, the Chugoku region, and western Japan to see, learn about, and consult on underwater drones and related technologies up close.

In addition to the Yamaguchi event, 'OceanBiz2026 in SHIZUOKA' is also scheduled for Thursday, October 22, and Friday, October 23, 2026, at the Shimizu Marine Terminal in Shizuoka Prefecture. This year, OceanBiz will leverage the unique characteristics of both the Yamaguchi and Shizuoka regions to showcase the appeal of underwater drone and aquatic robot technologies with different content.

Exhibitor List Released

For this Yamaguchi event, a wide range of companies and organizations will exhibit, covering underwater drone bodies, underwater robots, underwater cameras, underwater visualization, underwater positioning, ocean surveys, construction/infrastructure, R&D, and local government initiatives.

[Exhibitor List (Titles omitted, in no particular order)]

- Aomi Construction Co., Ltd. / National University Corporation University of Tsukuba
- Ube Central Consultant Co., Ltd.
- SeaBreath Co., Ltd.
- Chic Co., Ltd.
- Tokyo Kyuei Co., Ltd.
- Universal Computer Research Institute Co., Ltd. / Suzak Co., Ltd.
- Kowa Co., Ltd.
- JOHNAN Co., Ltd.
- Shimizu-gumi Co., Ltd. Drone Division D-WOLF
- Unincorporated Association Shiraishijima Shinko Academic Use Association / Nishinippon Metal Co., Ltd.
- Misago Co., Ltd.
- Wakou Sangyo Co., Ltd.
- Marine Open Innovation Institute
- Acquisition, Technology & Logistics Agency (ATLA), Naval Systems Research Center, Iwakuni Marine Environmental Test and Evaluation Satellite
- Fukushima Prefecture
- Yamaguchi Prefecture / Iwakuni City / Yamaguchi Prefectural Industrial Technology Institute

*As of June 3, 2026

An Underwater Drone Event to See, Learn, and Consult

Underwater drones are increasingly being used in a wide range of fields, including infrastructure inspection, port and fishery port management, dam and river surveys, ship inspection, ocean surveys, fisheries, education, and disaster prevention.

This event will clearly introduce how underwater drones are used and how they can solve problems through actual equipment displays and demonstrations.

The event welcomes a wide range of visitors, from those seeing underwater drones for the first time, to those interested in their use in local industries and education, companies and local governments considering introduction, and students and educators interested in R&D.

Admission is free. Please take this opportunity to participate.

Event Overview

Name: OceanBiz2026 in YAMAGUCHI
Dates: Friday, August 7, and Saturday, August 8, 2026
Time: 10:00 AM - 4:00 PM (Demonstrations scheduled from 11:00 AM - 3:00 PM)
Venue: Iwakuni Marine Environmental Test and Evaluation Satellite (IMETS)
Address: 1805-1 Nagano, Iwakuni City, Yamaguchi Prefecture
Organizer: Japan Underwater Drone Association
Co-organizers: Yamaguchi Prefecture, Iwakuni City

Supporters: Acquisition, Technology & Logistics Agency (ATLA), Yamaguchi Prefectural Board of Education, Iwakuni City Board of Education
Admission: Free
Participation Method: Advance registration required
Content: Exhibitions, live demonstrations, technical exchange related to underwater drones, underwater robots, and marine technology

Visitor Registration URL: https://eventregist.com/e/iotd2026

Special Website: https://japan-underwaterdrone.com/oceanbiz2026-yamaguchi/

About Iwakuni Ocean Tech Days2026

'Iwakuni Ocean Tech Days2026' is the collective name for three events: 'OceanBiz2026 in YAMAGUCHI', the '11th Underwater Robot Festival', and the 'Underwater Science Classroom'.

It is an event where a wide range of people, from companies, local governments, research institutions, and students to families, can experience marine technology through underwater drones, underwater robots, and science experiences.

By bringing together exhibitions on the practical use of underwater drones, student underwater robot competitions, and science experiences for children in one venue, the event offers content that can be enjoyed not only by specialists but also by local residents.

About the Japan Underwater Drone Association

The Japan Underwater Drone Association is an organization that promotes the safe utilization and普及 of underwater drones.

Through human resource development for safe underwater drone pilots, operation of a certified school system, collaboration with companies, local governments, and educational institutions, as well as events, training, and information dissemination, the association works to promote the practical use of underwater drones and improve the environment for their utilization.