Marubeni consortium with Mitsui E&S, Tryangle and Yokosuka City · autonomous vessel
Sea Friend Zero
Sarushima autonomous tourism boat
A small sightseeing boat that used three cameras, satellite positioning and AIS to detect and avoid other vessels, with an automated throttle handling departure and docking. It was one of the MEGURI2040 Stage 1 demonstrations.
- Price
- —Service vessel, not sold
- Autonomy
- SupervisedHow it runs
- Driverless
- Not yetSafety driver on board
- Fleet
- 1Reported; details below
- Speed
- —Not published
- Range
- —Not published
Why it matters
The Nippon Foundation calls it the first fully autonomous navigation of a small tourism boat.
Real-world use
On 11 January 2022 it sailed about 1.7 km from Shin-Mikasa Pier in Yokosuka to Sarushima island, departing and docking by itself.
How it drives
Fleet and city figures move fast; each carries its date and who reported it.
- Driverless status
- Safety driver on board
- Where it runs
- Yokosuka to Sarushima, Tokyo Bay, Japan
- Fleet
- 1 boat (Nippon Foundation, Jan 2022)
- Rides, miles or loads
- About 1.7 km demonstration crossing, 11 Jan 2022
Public attention
How much public attention Sea Friend Zero (Sarushima autonomous tourism boat) gets, from open data.
- No Wikipedia article of its own yet
- No recent press stories listed yet
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-14; same method for every robot. How it is measured
What’s inside
No component details published yet.
- Movement
- Other movement
- How it runs
- Supervised. Works by itself while a person watches and steps in.
From the maker
Sea Friend Zero (Sarushima autonomous tourism boat) is the only vehicle from Marubeni consortium with Mitsui E&S, Tryangle and Yokosuka City in the atlas.
Made, sold and where
No production or sales figures published yet.
- Price
- Not publishedService vessel, not sold
- How to get one
- No official buying page found
Sources
Figures come from press coverage. Every link below backs something on this page.
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