An Underwater ROV Starts at $4,900, a Commercial One Costs $67,000: 79 Models Compared by Depth
Depth rating is the one number you cannot negotiate with physics, go past it and the housing fails. See real depth ratings and pricing from 60 manufacturers, from hobbyist kits to industrial inspection platforms. Whether you want to buy, hire or lease, every one of the 79 marine & underwater robots for sale below links straight to the manufacturer, with specifications pulled from their own site, not a reseller.
Key takeaways
- Depth rating and current limits decide which jobs you can take.
- Compare cost per inspection day with a dive team.
- Sensors and tools matter more than the vehicle.
Compare the top picks
| Model | Maker | At a glance | Price |
|---|---|---|---|
| Blueye X7 Underwater ROV | Blueye Robotics AS | Dimensions: 68 x 43 x 25 cm (LxWxH), 20 kg in air | Depth rating: 500 m (1,650 ft) | Contact Blueye Robotics for a custom quote; official pricing not published |
| Boxfish ROV Observation Class Underwater Vehicle | Boxfish Robotics | Weight: 24 kg in air (salt water ballast installed) | Contact Boxfish Robotics for a quote; official pricing not published |
| Cellula Robotics Solus-Lite - Compact Survey AUV | Cellula Robotics | Weight: 1,400 kg | Range: 25 km | Contact Cellula Robotics for a quote; official pricing not published |
| Deep Trekker REVOLUTION ROV | Deep Trekker Inc. | Weight: 26 kg (57 lb) in air | From $66,999 USD (NAV package configuration) |
| Exail DriX H-8 - Medium-Range Uncrewed Surface Vessel | Exail (formerly iXblue) | Weight: 1,380 kg (some third-party sources cite up to 1,600 kg for certain configurations) | Contact Exail for a quote |
Not sure which model fits your job, or want help with hire or lease terms? Email J2R with what you need done and your budget, and we will shortlist real options and help broker the deal.
Real case
A seabed search by robot fleet
In 2018 Ocean Infinity searched for missing flight MH370 with a fleet of autonomous underwater vehicles working simultaneously from one ship, covering more than 100,000 square kilometres of seabed.
The lesson for buyers: Robots change the economics of searching large areas: many units, one crew.
Source: Ocean Infinity and Malaysian government reports, 2018
Want a result like this? Tell us the task and budget and we will reply with real options, prices and lease terms.
How to choose
An underwater robot in this category is usually an ROV, a remotely operated vehicle tethered to the surface by a cable, though a few autonomous underwater vehicles (AUVs) that work without a tether are also included.
Depth rating comes first
Always confirm the rated depth exceeds the deepest point you expect to reach, with a safety margin for current and drift. Hobbyist models typically rate to 50 to 150 meters, professional inspection units go to 300 meters and beyond, and specialist units on this list reach 1,000 meters or more.
Thrusters and control
More thrusters, arranged in a vectored layout, generally means better station holding in current and full six degree of freedom movement. If your work involves current, rivers, or tidal zones, check the thruster count and layout before anything else.
Camera and lighting
For inspection work, a stabilized 4K camera with a wide beam angle of lighting matters more than raw depth. Plankton and sediment scatter light, so stronger, wider floodlights cut through murky water better than a single narrow beam.
Tether, payload and accessories
The tether length sets your real operating range, not the depth rating alone. If you need to retrieve an object, take a sample, or run a sonar sweep, check what accessory ports or payload capacity the unit offers.
Typical budget tiers
Entry level units run from roughly 1,000 to 3,000 USD. Mid range prosumer units run from about 3,000 to 15,000 USD. Heavy duty industrial ROVs commonly exceed 60,000 USD.
Buy, hire or lease
Underwater work is often a one off job rather than a daily need, so several manufacturers on this list explicitly offer rental alongside sale. J2R can help approach the manufacturer on your behalf for a short term hire or a lease arrangement.
Before you buy
An underwater ROV will not pay for itself: run the numbers first
An ROV replaces divers or diving days on inspection work. The comparison is cost per inspection day against a dive team, and the depth rating and tether limit what jobs you can actually take.
The most common mistake is comparing the price of the machine with the salary of one employee. A report prepared for the US National Institute of Standards and Technology found that a complete robotic system tends to cost three to four times the robot itself once integration is counted, and the money comes back only when the process around the robot changes. Start with the job and the number you want to move, not with the catalogue.
What you are really paying for
| Cost line | What to budget for |
|---|---|
| Tether and launch | Tether length, winch, launch and recovery for your vessel or dock. |
| Sensors and tools | Sonar, thickness gauges, manipulators and lights for useful inspection data. |
| Operator training | Pilots, plus survey and reporting skills. |
| Insurance and repairs | Loss or damage in currents and entanglement. |
| Software | Reporting, positioning and data management. |
Measure this before you ask for a quote
- Diving days per year and cost per diving day
- Typical depths and currents at your sites
- Inspection reports required by clients or classification societies
- Weather windows lost waiting for divers
- Safety incidents in diving operations
When to walk away
- Currents at your sites exceed the vehicle's thrust
- Clients require diver-only inspection
- You need manipulation tasks beyond the vehicle's capability
Where the payback actually comes from
Inspection companies, ports, aquaculture and offshore operators pay back through fewer diving days and faster inspection. Class-accepted reports can be a source of revenue in their own right.
Payback (years) = total investment ÷ annual net benefit
Total investment = equipment + integration, site work, tooling, training + output lost during start-up
Annual net benefit = savings you can prove − service, parts, energy, software and supervision
Total investment = equipment + integration, site work, tooling, training + output lost during start-up
Annual net benefit = savings you can prove − service, parts, energy, software and supervision
Six questions to put to every underwater ROV vendor
- Rated depth and tested depth?
- Maximum current for station keeping?
- Tether length and positioning system?
- Sensor and tool integration?
- Repair turnaround and loan units?
- Class or client acceptance of reports?
Quick payback calculator
Rough first pass only. Use the prices in the tables on this page, or real country prices from the J2R 100 Robot Price Index.
Enter the annual savings you can actually prove to see payback.
All 79 marine & underwater robots for sale in the catalog
| Model | Manufacturer | Country | At a glance | Price | Source |
|---|---|---|---|---|---|
| Advanced Navigation Hydrus Micro AUV | Advanced Navigation Pty Ltd | Sydney, Australia | Camera: 4K resolution at 60 FPS with powerful onboard lighting | Navigation: Tightly coupled DVL (Doppler Velocity Log), USBL (ultra-short baseline) and INS (inertial navigation system) | Contact Advanced Navigation | Visit manufacturer site → |
| WallHiker W-2025 UHP Water Blasting Magnetic Crawler Robot | AKA Robotics (Shenzhen AKA Robotics Technology Co., Ltd.) | China | Adhesion Method: Permanent magnetic adsorption | Blasting Pressure: Up to 3,000 bar (ultra-high-pressure water) | Not disclosed | Visit manufacturer site → |
| WallHiker W-03 Mini Magnetic Crawler Robot | AKA Robotics (Shenzhen AKA Robotics Technology Co., Ltd.) | China | Adhesion Method: Permanent magnetic adsorption | Target Surface: Ship bottom / flat hull sections | Not disclosed | Visit manufacturer site → |
| WallHiker H-01 Semi-Automatic UHP Water Blasting Equipment | AKA Robotics (Shenzhen AKA Robotics Technology Co., Ltd.) | China | Blasting Technology: Ultra-high-pressure (UHP) water-jet | Mechanism: Large-stroke constant-force telescopic mechanism | Not disclosed | Visit manufacturer site → |
| Ghost Shark (XL-AUV) | Anduril Industries (Anduril Australia), with Australian DSTG | Australia / USA | Max Depth: 6,000 m | Not sold commercially, government program of record (A$1.7 billion contract for initial production batch) | Visit manufacturer site → |
| Apeiron AUV | Apeiron Labs | USA | Weight: Just over 20 lbs (approx. 9 kg) | Not disclosed | Visit manufacturer site → |
| TUFAN | ASELSAN A.Ş. | Turkey (Ankara) | Payload: High-explosive insensitive munition warhead with destructive power close to a heavy torpedo | Range: 200 nautical miles (370 km / 230 miles) | Contact ASELSAN (targeted for naval inventory entry by 2027) | Visit manufacturer site → |
| AIMS Deployment Guidance System (DGS) Coral Seeding Robot | Australian Institute of Marine Science (AIMS), with Queensland University of Technology (QUT) under the Reef Restoration and Adaptation Program | Australia (Townsville, Queensland) | Function: Combines seafloor scanning cameras, real-time AI analysis and an automated device dispenser mounted on a support vessel | Deployment payload: Small ceramic coral seeding devices housing tiles for juvenile coral attachment | Government research and restoration program equipment, not commercially sold | Visit manufacturer site → |
| Bedrock AUV Generation 2 Seafloor Survey Vehicle | Bedrock Ocean Exploration, PBC | USA (Richmond, California) | Weight: 60 kg (132 lb) in air | Not sold as a standalone unit; delivered as an AUV-as-a-service survey offering, contact Bedrock Ocean for project pricing | Visit manufacturer site → |
| Blue Atlas Robotics Sentinus - Self-Steering Underwater Inspection Robot | Blue Atlas Robotics | Denmark | Cameras: 8 onboard cameras capturing an object from multiple angles in a single pass | Lighting: 14 strategically placed onboard lights for murky or low light conditions | Contact Blue Atlas Robotics | Visit manufacturer site → |
| Blue Robotics BlueROV2 | Blue Robotics Inc. | USA | Type: Open-source modular ROV | Depth rating: 100 m (acrylic enclosure) / 300 m (aluminum enclosure) | From $4,900 USD (base kit); typical full configuration averages around $6,500 USD | Visit manufacturer site → |
| Blueye X7 Underwater ROV | Blueye Robotics AS | Norway (Trondheim) | Dimensions: 68 x 43 x 25 cm (LxWxH), 20 kg in air | Depth rating: 500 m (1,650 ft) | Contact Blueye Robotics for a custom quote; official pricing not published | Visit manufacturer site → |
| Blueye X3 Ultra Underwater ROV | Blueye Robotics AS | Norway (Trondheim) | Dimensions: 485 x 257 x 354 mm (LxWxH), 8.6 kg in air with saltwater ballast | Depth rating: 305 m (1,000 ft) | Contact Blueye Robotics for a custom quote; official pricing not published | Visit manufacturer site → |
| Boeing Echo Voyager (Extra Large Unmanned Undersea Vehicle, 6,500nm Range, 11,000ft Depth, Months-Long Autonomous Missions, Orca XLUUV Basis) | Boeing Defense, Space & Security | Huntington Beach, California, USA; boeing.com | Range: 6,500 nautical miles (12,038 km) per fuel module | Company-funded testbed; Orca XLUUV production contract value approx. $274.4 million for 5 vehicles (US Navy) | Visit manufacturer site → |
| Boxfish ROV Observation Class Underwater Vehicle | Boxfish Robotics | New Zealand (Auckland) | Weight: 24 kg in air (salt water ballast installed) | Contact Boxfish Robotics for a quote; official pricing not published | Visit manufacturer site → |
| ARV-i | Boxfish Robotics (with Krona SubSea) | New Zealand | Range: Up to 6 km per mission | Contact manufacturer | Visit manufacturer site → |
| Cellula Robotics Envoy AUV (formerly Solus-LR) - Long-Range Fuel Cell AUV | Cellula Robotics | Canada | Payload: 500-liter flooded payload bay | Contact Cellula Robotics for a quote; official pricing not published | Visit manufacturer site → |
| Cellula Robotics Guardian AUV (formerly Solus-XR) - Extra-Large Fuel Cell AUV | Cellula Robotics | Canada | Payload: Two field-swappable payload modules, 2,500 liters each | Contact Cellula Robotics for a quote; official pricing not published | Visit manufacturer site → |
| Cellula Robotics Solus-Lite - Compact Survey AUV | Cellula Robotics | Canada | Weight: 1,400 kg | Range: 25 km | Contact Cellula Robotics for a quote; official pricing not published | Visit manufacturer site → |
| Cellula Robotics Porter AUV - Extra-Large Survey & Payload-Deployment AUV | Cellula Robotics | Canada | Weight: 7,500-9,000 kg (Li-ion configuration) or 8,000 kg (hydrogen fuel cell configuration) | Payload: Up to 5,000 liters internal payload capacity in one or two bays (two 1.2 x 1 x 1 m bays), plus custom skids | Contact Cellula Robotics for a quote; official pricing not published | Visit manufacturer site → |
| Cellula Robotics Subsea Warden AUV - Hovering Vessel-Signature Measurement AUV | Cellula Robotics | Canada | Weight: 130 kg | Contact Cellula Robotics for a quote; official pricing not published | Visit manufacturer site → |
| CHASING M2 S | CHASING | China | Weight: <5 kg | Max Depth: 100 m | Not disclosed | Visit manufacturer site → |
| CHASING M2 PRO MAX | CHASING | China | Max Diving Depth: 200 m | Battery Life: More than 4 hours | Not disclosed | Visit manufacturer site → |
| CHASING X | CHASING | China | Max Depth: 350 m | Not disclosed | Visit manufacturer site → |
| Gladius Mini S | CHASING Innovation | China (Yantai, Shandong) | Weight: Under 3 kg (6.6 lb) | Max Speed: Nearly 4 knots (2 m/s) | Approx. $1,199-$2,499 depending on package (100m tether kit) | Visit manufacturer site → |
| Arthur (Deep-Sea Archaeology ROV) | CNRS / DRASSM / LIRMM | France | Type: Deep-Sea Archaeological Remotely Operated Vehicle | Depth Rating: Up to 2,500 m | Not commercially available (French national research program) | Visit manufacturer site → |
| Deep Trekker SPECTRA | Deep Trekker Inc. | Canada | Dimensions: 790 x 586 x 296 mm (LxWxH) | Weight in air: Approx. 38 kg (84 lb) | Contact Deep Trekker for a quote; available for rental or sale | Visit manufacturer site → |
| Deep Trekker REVOLUTION ROV | Deep Trekker Inc. | Canada | Weight: 26 kg (57 lb) in air | From $66,999 USD (NAV package configuration) | Visit manufacturer site → |
| DTG3 | Deep Trekker Inc. | Canada | Weight: 8.5 kg (18.7 lbs) | Dimensions: 325 mm W x 258 mm H x 279 mm L | Not disclosed | Visit manufacturer site → |
| PIVOT | Deep Trekker Inc. | Canada | Weight: 23.6 kg (52 lbs) | Power Supply: 19.2 VDC | Not disclosed | Visit manufacturer site → |
| PHOTON | Deep Trekker Inc. | Canada | Weight: 11.8 kg (26.1 lbs) | Power Supply: 19.2 VDC | Not disclosed | Visit manufacturer site → |
| DroneQ Robotics X-SV OCROV Class I | DroneQ Robotics | USA | Depth rating: 350 meters working depth | Cameras: 4K inspection camera plus a 4K electronic pan-tilt 220 degree hemispheric panoramic camera | Contact manufacturer | Visit manufacturer site → |
| Exail A18-M - Mid-Size Mine Countermeasures AUV | Exail (formerly ECA Group) | France | Endurance / coverage: Up to 24 hours at 3 knots, covering 20-40 sq km per mission | Depth rating: Down to 300 m | Contact Exail for a quote; official pricing not published | Visit manufacturer site → |
| Exail A9-M - Man-Portable Defense AUV | Exail (formerly ECA Group) | France | Portability: Lightweight, man-portable, transportable by road and plane; deployed and recovered by two people from small craft or RHIBs | Endurance: Up to 20 hours with the dual-battery option | Contact Exail for a quote; official pricing not published | Visit manufacturer site → |
| Exail DriX H-8 - Medium-Range Uncrewed Surface Vessel | Exail (formerly iXblue) | France | Weight: 1,380 kg (some third-party sources cite up to 1,600 kg for certain configurations) | Contact Exail for a quote | Visit manufacturer site → |
| Exail DriX H-9 | Exail Technologies | Paris, France | Range: Approx. 2,000 nautical miles | Contact Exail | Visit manufacturer site → |
| General Dynamics Bluefin-9 - Two-Man Portable AUV | General Dynamics Mission Systems (Bluefin Robotics) | USA | Weight: 70 kg (155 lb) | Contact General Dynamics Mission Systems for a quote; official pricing not published | Visit manufacturer site → |
| General Dynamics Bluefin-12 - Medium-Class Modular UUV | General Dynamics Mission Systems (Bluefin Robotics) | USA | Weight: 250 lb / 250 kg with integrated survey package (approx. 550 lb total figure cited by some sources) | Payload: Over 4,000 cm3 modular payload section, Bluefin standard payload interfaces, open architecture | Contact General Dynamics Mission Systems for a quote; official pricing not published | Visit manufacturer site → |
| MARIOW Underwater Welding Robot | German Research Center for Artificial Intelligence (DFKI) Robotics Innovation Center, in consortium with TH Köln, Fraunhofer IGD, AMT GmbH and Unterwasserkrause-Mutzeck GmbH | Germany (Bremen) | Type: AI-Guided Autonomous Underwater Welding Manipulator System | Project Name: MARIOW (Maritime AI-Guided & Remote Operated Welding), funded by the German Federal Ministry for Economic Affairs and Energy (BMWE) | Research/pre-commercial platform; not yet commercially available | Visit manufacturer site → |
| MARIOW Autonomous Underwater Welding Robot | German Research Center for Artificial Intelligence (DFKI) Robotics Innovation Center, with AMT GmbH, TH Koln, Fraunhofer IGD, Unterwasserkrause-Mutzeck GmbH | Germany | Reach: 2 meters, decentralized joint control for repeatable high-precision movement | Research/pre-commercial system, not yet sold (BMWE-funded consortium project) | Visit manufacturer site → |
| HII REMUS 620 - Medium-Class Unmanned Underwater Vehicle | HII (Huntington Ingalls Industries) | USA | Class: Medium UUV, same size and weight class as the U.S. Navy's MK 18 Mod 2 LBS-AUV and LBS-Razorback systems | Diameter: 32.4 cm (12.75 in) | Contact HII for a quote; official pricing not published | Visit manufacturer site → |
| HII REMUS 300 - Two-Man Portable Unmanned Underwater Vehicle | HII (Huntington Ingalls Industries) / Hydroid | USA | Length / diameter / weight: 2.03-2.64 m depending on battery option / 19 cm / 48.5 kg (standard configuration) | Depth rating: 305 m (1,000 ft) | Contact HII for a quote; official pricing not published (U.S. Navy Lionfish program base contract value $347 million) | Visit manufacturer site → |
| Hydromea EXRAY Underwater Inspection Robot | Hydromea SA | Switzerland (Renens, Lausanne area) | Weight: 9 kg (20 lb), backpack-portable | Contact Hydromea for a quote; official pricing not published | Visit manufacturer site → |
| Hydronalix EMILY | Hydronalix | USA | Platform: Water rescue and emergency response drone | Function: Aquatic rescue operations | Not disclosed | Visit manufacturer site → |
| TUNA | IROV Technologies Pvt. Ltd. (EyeROV) | India | Max Speed: 2 knots | Dimensions: 500 x 400 x 550 mm | Not disclosed | Visit manufacturer site → |
| TROUT | IROV Technologies Pvt. Ltd. (EyeROV) | India | Max Speed: 3+ knots | Dimensions: 760 x 600 x 600 mm | Not disclosed | Visit manufacturer site → |
| Living Seawall 3D Printing System | Kind Designs (hardware, software, and material originally provided by CyBe Construction) | USA | Print Time (10x10 ft panel): Under 1 hour (vs. ~24 hours for traditional mold-cast panel) | Reinforcement Material: Recycled marine plastic fibers + proprietary additive (95% of structure, replaces rebar) | Not disclosed | Visit manufacturer site → |
| Kongsberg HUGIN Endurance - Long-Range Autonomous Underwater Vehicle | Kongsberg Discovery (Kongsberg Maritime) | Norway | Weight: Approx. 8,000 kg | Range: Approx. 2,200 km (1,200 nautical miles) per mission | Contact Kongsberg Discovery for a quote; official pricing not published | Visit manufacturer site → |
| HUGIN Superior | Kongsberg Discovery (Kongsberg Maritime) | Norway | Sensors: HISAS 1032 dual receiver synthetic aperture sonar (5x5 cm SAS imagery, 20x20x20 cm bathymetry at 200m range), EM2040 Mk2 multibeam echosounder, camera, laser profiler, sub-bottom profiler, magnetometer, methane/CO2/oxygen sensors | Coverage: Approximately 4.5 sq km per hour for seabed imagery and bathymetry | Contact Kongsberg Discovery for a quote; official pricing not published | Visit manufacturer site → |
| Kowa FCR-10 Land-Based Aquaculture Tank Cleaning Robot | Kowa Corporation, Marine System Division | Japan (Tokyo) | Weight: 14 kg (in air) | Contact Kowa Corporation Marine System Division for a quote | Visit manufacturer site → |
| Kystdesign StealthCleaner Fish Farm Net Cleaning ROV | Kystdesign AS | Norway (Alesund) | Form factor: Unique triangular chassis design | Cameras: Four onboard cameras with LED spotlight assistance for real-time piloting | Contact Kystdesign for a quote | Visit manufacturer site → |
| LD Travocean ROV-C 4000 Deep Sea Work ROV | LD Travocean (subsidiary of Louis Dreyfus Armateurs) | France (La Ciotat) | Payload: 100 kg | Contact LD Travocean for a quote; built and operated in-house, not sold as an off-the-shelf commercial unit | Visit manufacturer site → |
| Autonomous Surface Vessel (5m/10m ISR Platform) | Mirai Robotics | Italy (Puglia) | Type: Autonomous surface vessel (ASV) family for ISR and patrol | First Platform: 5-metre unmanned surface vessel, prototype already operational | Contact manufacturer, pre-seed stage, pilot projects with industrial and institutional partners | Visit manufacturer site → |
| Aquanaut MK2 | Nauticus Robotics, Inc. (NASDAQ: KITT) | Houston, Texas, USA | Type: Autonomous Untethered Subsea Robot | Certified Depth: 2,300 m (design depth 3,000 m, under active testing) | Contact manufacturer | Visit manufacturer site → |
| N1 Robotic Hull Cleaning System | Neptune Robotics | Singapore/Hong Kong | Cleaning Technology: Cavitational waterjet | Cleaning Time (Capesize bulk carrier): Under 24 hours (vs. 3-5 days diver-based) | Not disclosed (service-based pricing per cleaning, not per-unit sale) | Visit manufacturer site → |
| Seasam Autonomous Diver-Following Underwater Drone | Notilo Plus SAS (a Delair company) | France (Marseille) | Operating modes: Fully autonomous diver-following underwater drone or semi-autonomous tethered ROV (remotely operated vehicle) | Camera: Integrated 1080p/30fps onboard camera used simultaneously for navigation and video recording (unlike predecessor iBubble, which required a user-supplied GoPro) | Starting from approximately EUR 12,000 (about $13,600); contact Notilo Plus/Delair for current industrial pricing | Visit manufacturer site → |
| Armada 86 | Ocean Infinity (built by Vard) | USA / UK (vessels built in Vietnam and Norway) | Payload: Open aft deck of approximately 750 sq m with a payload capacity of about 1,050 tonnes | Range: Cruising speed 8 to 10 knots; endurance 21 to 35 days depending on payload and operation | Contact Ocean Infinity for a quote; official pricing not published | Visit manufacturer site → |
| V180 USV-ROV | OceanAlpha | China | Payload: 35-tonne payload capacity; deploys a 2-tonne work-class ROV | Contact OceanAlpha for a quote | Visit manufacturer site → |
| Oceanbotics SRV-8C | Oceanbotics (RJE International) | USA | Depth rating: 305 m (1,000 ft) | Camera: 4K video capability | Contact Oceanbotics for a quote; introduced at a new, lower price point within the SRV-8 lineup | Visit manufacturer site → |
| Clearbot Neo | Open Ocean Engineering (Clearbot) | Hong Kong | Length: 3 meters | Power: Solar battery-powered electric motor | Contact Clearbot for quote | Visit manufacturer site → |
| Phykos Robotic Seaweed Cultivation Platform | Phykos, PBC | USA (Oakland, CA) | Founded: Founded 2020 by former Google X engineers Jeff Zerger and Nico Julian, backed by Y Combinator | Design: Solar powered, modular surface unit roughly the size of a small boat, towing an underwater seaweed rack roughly the size of a single family home | N/A (early stage startup platform, not sold commercially; Y Combinator backed) | Visit manufacturer site → |
| REN-NOT | Probotic AS | Norway (Narvik) | Type: Autonomous Underwater Net-Cleaning Robot (Aquaculture) | Operation: Continuous underwater cleaning, described by the company as working like a robotic vacuum cleaner | Rental model, approximately 30,000 NOK (~$2,800) per month per unit; contact Probotic | Visit manufacturer site → |
| FIFISH V6 EXPERT | QYSEA Technology | China (Shenzhen) | Type: Professional-Class Operational ROV (Remotely Operated Vehicle) | Depth Rating: 100 m (M100/M100A) or 200 m (M200/M200A) | From $2,999 (M100); $3,599 (M200); $3,999 (M100A with arm); $4,298 (M200A with arm) | Visit manufacturer site → |
| FIFISH V-EVO | QYSEA Technology | China (Shenzhen) | Weight: 3.9-4.1 kg | From $1,299-$1,399 | Visit manufacturer site → |
| Reefgen Grasshopper Seagrass Planting Robot | Reefgen, Inc. | USA (San Francisco, California) | Weight: Approximately 23 kg (50 lb) | Deployed under a Robotics-as-a-Service model; not sold as a standalone unit, contact Reefgen for a project quote | Visit manufacturer site → |
| RTsys NemoSens - Micro Autonomous Underwater Vehicle | RTsys | France | Weight: Under 10 kg | Contact RTsys for a quote (sales@rtsys.fr); official pricing not published | Visit manufacturer site → |
| RTsys COMET-300 - Two-Man Portable Survey AUV | RTsys | France | Weight: 27-50 kg depending on configuration | Contact RTsys for a quote (sales@rtsys.fr); official pricing not published | Visit manufacturer site → |
| Saildrone Voyager Uncrewed Surface Vehicle | Saildrone, Inc. | USA (Alameda, CA) | Length: 10 m (33 ft) | Wing height: 6 m (21 ft) | Contact Saildrone for a quote; official pricing not published (offered as a data-as-a-service subscription rather than direct unit sale) | Visit manufacturer site → |
| Marauder (Medium Unmanned Surface Vessel) | Saronic Technologies | USA (Austin, TX) | Range: Up to 5,400 nautical miles | Contact Saronic Technologies (defense/commercial program) | Visit manufacturer site → |
| SMD Deep Dig-It DBT2400 Deep Burial Tractor | Soil Machine Dynamics (SMD) | UK (Wallsend, Newcastle upon Tyne) | Weight: 150 tonnes (per SMD); Van Oord's own equipment specs list 125 tonnes | Contact SMD for a quote; built to order for offshore wind and cable installation contractors | Visit manufacturer site → |
| SOSub ROV Net Repairer | Southern Ocean Subsea (SOSub) | Australia | Type: Remotely Operated Vehicle (ROV) for Aquaculture Net Repair | Depth Rating: Up to 300 m | Contact Southern Ocean Subsea (patented technology) | Visit manufacturer site → |
| Teledyne Slocum G3 Glider - Long-Endurance Buoyancy-Driven Ocean Glider | Teledyne Webb Research (Teledyne Marine) | USA | Propulsion: Buoyancy-driven, 900cc hydraulic flight drive and pneumatic surfacing drive; optional thruster for added speed | Depth range: 4-1,000 m | Contact Teledyne Marine for a quote; official pricing not published | Visit manufacturer site → |
| Terradepth AxV Autonomous Hybrid Underwater/Surface Vehicle | Terradepth, Inc. | USA (Austin, Texas) | Weight: 3,700 kg | Range: 1,000 nautical miles per deployment | Not publicly listed; contact Terradepth for Ocean-Data-as-a-Service and vehicle pricing | Visit manufacturer site → |
| Tethys ONE | Tethys Robotics AG | Switzerland | Weight: 35 kg (77 lbs) in air | Contact Tethys Robotics for order and pricing | Visit manufacturer site → |
| Ultra AQ Net-Cleaning Robot | Ultra AQ | Norway (Froya) | Type: Autonomous Wireless Net-Cleaning Robot (Aquaculture) | Design Inspiration: Modeled on robotic lawnmower operating logic, adapted for underwater net surfaces | Contact Ultra AQ | Visit manufacturer site → |
| UJIFISH-I | Universitat Jaume I (CIRTESU / IRS Lab) | Castello, Spain | Max Depth: 20 m | Not for sale, university research prototype | Visit manufacturer site → |
| Vatn Systems Skelmir S12 | Vatn Systems | USA | Weight: About 600 pounds | Payload: Up to 250 pounds | Contact manufacturer | Visit manufacturer site → |
| VideoRay Mission Specialist Defender ROV | VideoRay LLC (a BlueHalo/AeroVironment company) | USA | Type: Micro-ROV, Mission Specialist series | Depth rating: 1,000 m (3,280 ft) | Contact VideoRay for a quote; official pricing not published (US Navy program valued at up to $92.6 million under a 5-year IDIQ contract) | Visit manufacturer site → |
| IQ Aqua | ZenaTech, Inc. (ZenaDrone) | USA (Vancouver, BC / Arizona) / UAE (manufacturing) | Type: Autonomous underwater vehicle (AUV), prototype | Configuration: Current unit tethered, battery-powered; Version 2 in development to be tether-free and GPS-independent | Not commercially available; prototype in field testing | Visit manufacturer site → |
Frequently asked questions
What is a marine & underwater robot?
An ROV replaces divers or diving days on inspection work. The comparison is cost per inspection day against a dive team, and the depth rating and tether limit what jobs you can actually take.
Are there marine & underwater robots for sale right now?
Yes. This page lists 79 marine & underwater robots from 60 manufacturers, most sold or ordered direct. A handful of specialist and defense oriented models are quote only or program based rather than an instant checkout, that is noted on the individual listing.
What is the best marine & underwater robot to start with?
There is no single best marine & underwater robot, it depends on the job. The comparison table above lines up 5 real options side by side, from Blueye X7 Underwater ROV to Exail DriX H-8 - Medium-Range Uncrewed Surface Vessel, so you can match specifications to your actual task instead of a marketing claim.
How much does a marine & underwater robot cost?
Real prices on this page run from $4,900 to $66,999, depending on the model and what it is built to do. See the comparison table above or the full list below for exact figures by manufacturer, not a vague estimate.
Can I rent or lease a marine & underwater robot instead of buying?
Some manufacturers in this category offer direct rental or lease terms. For the rest, J2R can help broker a short term hire or lease arrangement with the manufacturer or an approved reseller.
How long does a underwater ROV take to pay back?
Inspection companies, ports, aquaculture and offshore operators pay back through fewer diving days and faster inspection. Class-accepted reports can be a source of revenue in their own right.
How is a underwater ROV usually sold?
Purchase, rental, inspection services. Compare buy, lease and RaaS prices in the J2R 100 Robot Price Index.