Oceanus ROV accessories

MarineNav ROV systems are designed to accept a wide-range of ROV accessories, greatly increasing the functionality of the ROV to perform mission tasks specific to your marine sector industry. From manipulator arms, to external camera systems, MarineNav can design and manufacture bespoke ROV accessories for your industries need. 

MarineNav ROV systems also support a wide range of third-party ROV attachments, such as sonar systems and various tracking and positioning systems. Contact MarineNav for more information. ¤

MarineNav Designed, Engineered and Manufactured In-House, In Canada
Oceanus hand controller - configured for your ROV

Oceanus Hand Controller 

Designed specifically to work with MarineNav's Oceanus ROVs, the Oceanus hand controller is manufactured to exact standards and provides the same rugged durability found in all MarineNav products.
• Fully integrated with Oceanus ROV software
• Superior control of Oceanus ROVs
• IP 65 rated
• 2-year warranty*

Oceanus Tether

Oceanus Tether

MarineNav’s tether cable provides communications, video, and an auxiliary pair of independent conductors for use with a compatible accessory. Manufactured from regionally sourced and fabricated components, tether cable is available as Neutral Performance or Negatively Buoyant tether. Available in measured sizes or manufactured to custom lengths upon request.

Oceanus Tether Deployment System

Tether deployment system 

The MarineNav Tether Deployment system is a portable tether management reel capable of controlled deployment and retrieval of tether lengths of up to 180m (590 ft).
• Lightweight and durable, constructed from aluminum, PVC and high density polyethylene
• Tether frame can be bolted in place 
• SS fasteners provide extra strength to all joints 
• 2-year warranty*

Oceanus ROV manipulator arms

Manipulator arms 

Ideal for reaching inaccessible areas to grasp and move objects MarineNav offers manipulator arms with options of either single axis or dual axis (with 360° rotation). MarineNav's manipulators provide precise control and are fully compatible with our Oceanus class ROVs. Simple plug and play functionality provide control of manipulators through our topside software user interface.

Single axis manipulators

Single axis manipulator arm

MarineNav's ROV manipulator is an essential addition increasing functionality to your ROV, providing power and precision to perform gripping and recovery maneuvers to a depth of 300 meters.

Custom manipulators - contact MarineNav for more information

Custom manipulator arms - made-to-order

MarineNav's on-site design and manufacturing capabilities mean we can accessorize your Oceanus ROV with a custom manipulator system built for your specific needs. Enquire about the following Manipulator options
• Manipulator arm with plier jaw
• Manipulator arm with parallel jaw
• Manipulator arm with closing scoop jaw

ROV gaff hook

Oceanus Gaff Pole 

Compatible with MarineNav's Hybrid, Pro and Ultimate class series ROV systems the Oceanus ROV Gaff Pole is indispensable when retrieving ghost gear, lost mooring chain or underwater cable.
• Manufactured from aluminum and marine-grade materials.
• Weighs 1.63 kg (3.6 lbs)
• Locking mechanism keeps snagged gear clear of ROV thrusters intake
• Extra long arm with buoyancy chamber offsets weight of snagged gear
• 2-year limited warranty*

MarineNav HC2 Hull Crawler attachment

HC2 Hull Crawlers 

Mounting to the float block, MarineNav's Hull Crawler can be used to position the ROV against a vessel's hull or other smooth surface to create a secure connection allowing for greatly improved ease of inspection. This device greatly improves the pilots ability to maintain position and safely navigate a vessel's hull. Contact MarineNav for More Information

Oceanus thruster guards - helps protect engine intake from debris

Oceanus Thruster Guards 

Designed by MarineNav and manufactured on-site, the Oceanus Thruster Guard is designed to minimize potential damage that may occur from foreign materials being entangled in the thruster propellers. Constructed with marine-grade materials, the thruster guard is
designed to fit over the thruster assembly without effecting propeller motion, and is locked in place by four threaded bolts and fasteners. Thruster Guards are easily installed requiring a minimum of tools and time.

Contact MarineNav for more information

Third-party ROV accessories


Sonar systems are ideal attachments allowing increased ROV functionality in low visibility situations. Each class of MarineNav Oceanus ROV system has been designed to operate with a sonar attachment. Check ROV specifications  for compatibility. MarineNav supports many popular brands of third-party accessories. Call MarineNav for more information.

Oceanus ROV with sonar mounted


The Gemini 720im fuses Tritech’s Gemini multibeam technology with Tritech’s Micron technology to create the world’s smallest multibeam imaging sonar.

Tritech MIcron DST sonar


The Tritech Micron Sonar is the smallest digital CHIRP sonar in the world and is ideal for use by small ROVs, as a first-rate obstacle avoidance sonar in miniature form.  
Learn More

Tritech Gemini 720ik sonar


The Gemini 720ik is a real-time, high-frequency multibeam imaging sonar. Utilising Tritech’s advanced processing electronics, at 1m range the sonar offers a world-class 97Hz update rate to produce high-quality, video-like imagery.  Learn More

Blueprint Subsea Oculus sonar


Real-time, high-frequency multibeam imaging sonar. At 1m range the sonar offers a world-class 97Hz update rate to produce high-quality, video-like imagery.  Learn More


Ultrasonic thickness gauges can be used to measure metal thickness even through coatings. The probe does not need to touch the surface under test, as measurements can be taken through 5 mm (0.2 inch) of water. Readings are not influenced by the probe orientation. Contact MarineNav for More Information


Underwater searches and surveys often require that the precise position of the ROV be known so that observations can be geo-referenced or the position can be relocated on a future dive. MarineNav supports several acoustic and tether based position tracking systems. Contact MarineNav for More Information

ROV replacement 

With all of our ROV systems designed and manufuctured on-site MarineNav is positioned to provide an extensive range of ROV replacement parts that replace ROV modular components over normal wear. Many of MarineNav's replacement parts can easily be replaced in a minimum amount of time and with a minimum number of tools, and MarineNav's service department with knowlegable technicians are available to offer support for specialized ROV part replacement.

Download a current list of available ROV replacement parts, or contact a MarineNav representative if a bespoke part not listed is required. 

*Two-year warranty is available to MarineNav products registered within the first year of purchase. For the warranty to be valid all scheduled maintenance must be adhered to according to manufacturers guidelines. Warranty excludes tampering, misuse, and regular wear. 

¤ Check with ROV specifcations to see which accessories are compatible. Oceanus ROVs may exceed recommended depth ratings of available accessories. Consult manufacturer specifications for all accessories prior to use.

MarineNav Ltd. is an ISO 9001:2015 certified company. Our certified Quality Management System ensures that each unit we produce adheres to the strictest standards and complies with customer requirements. While we strive to ensure the accuracy of all items and descriptions in this document, this is not always possible. Specifications, options, and availability are subject to change without notice. Errors and omissions excepted. We reserve the right to limit quantities


MarineNav Ltd.
Panmure Island Road
Panmure Island, PE
C0A 1R0


General & Technical Support:
+1 (902) 838 7011
9:00 am to 5:00 pm AST
Monday to Friday

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