Marine / Underwater
2 robots · scored byMARMX
Autonomous underwater vehicles, remotely operated vehicles and uncrewed surface vessels.
Underwater Robots in 2026: the market at a glance
This category contains 2 ranked underwater robots from 1 companies in 1 countries. The MARMX is a specification score; legacy admission does not establish field-level review or independent task testing.
2 of the 2 records are at commercial or limited-production stage. These recorded maturity claims do not establish paid deployments or operating performance.
How this category is scored
The Marine Metric (MARMX), version
0.2.0. Pillars are weighted for what
actually matters to this class, and normalised against
marine / underwater-specific reference scales.
Not applicable to this category: Ecosystem & Viability. These pillars are excluded from the index and the remaining weights renormalised — not scored zero.
Category profile
Every company in this category is re-checked on the cadence above by the research agents, and every proposed change is reviewed before it reaches this page.
Top marine / underwater robots
Full marine / underwater leaderboard — all 2 with filters →| # | Robot | Company | Status | Autonomy | MARMX |
|---|---|---|---|---|---|
| 1 | Surveyor | Saildrone | commercial | task-autonomous | 80.3 |
| 2 | Voyager | Saildrone | commercial | task-autonomous | 57.9 |
Why the MARMX weighs what it weighs
The published reasoning behind every pillar weight in
the Marine Metric, version 0.2.0.
- Mobility (0.30) — endurance and range, weighted far above speed. Drag rises with the square of velocity underwater, so every extra knot is bought from the endurance the mission actually needs.
- Hardware (0.25) — led by depth rating, the one hard physical gate in the class: a 300 m vehicle cannot do a 3000 m job at any price, while most other specs are trades rather than walls.
- Autonomy (0.25) — the sharpest dividing line here. A work-class ROV is teleoperated by definition, flown down an umbilical from a support vessel costing six figures a day. The ladder scoring that at 35 is not a penalty; it is the cost problem the AUV market exists to solve.
- Commercial (0.12) — deliberately light. Offshore contracts are commercially confidential and rarely announced, so an absent deployment list is usually missing evidence rather than an idle machine.
- Manipulation (0.08) — for work-class ROVs with hydraulic manipulators. Survey AUVs carry none and are not marked down for it.
- Ecosystem (0.00) — excluded. Mostly subsidiaries of offshore-services and defence groups where a funding figure means nothing.
Frequently asked questions
How many underwater robots are there in 2026?
This catalogue ranks 2 records from 1 companies; the count covers the complete category, including later pages.
How many underwater robots are commercially available?
2 records claim commercial or limited-production maturity. Consult their deployment evidence for support and lifecycle details.