Greensea IQ

Autonomous Amphibious Crawler Robots for Underwater Rescues, Surveys & Monitoring

United States of America
Greensea IQ
Autonomous Amphibious Crawler Robots for Underwater Rescues, Surveys & Monitoring
10 Cordage Park, Suite 243, Plymouth, MA 02360, USA United States of America Regional offices

Greensea IQ is a leading developer of intelligent robotics hardware and software solutions that excel in the most challenging of marine environments. Designed to overcome a wide range of challenges in the military, commercial, industrial and scientific sectors, our cutting-edge product portfolio includes rugged unmanned amphibious crawler vehicles as well as open source software frameworks that drive the next generation of marine robotics.

Bayonet AUGVs

Unmanned crawler robots for amphibious operations in challenging waters

amphibious robots

Autonomous Crawler RobotOur Bayonet AUGVs are highly versatile unmanned amphibious vehicles that can traverse land and the seabed, with the ability to reach depths down to 300 metres. The subsea crawler robots feature three modes of operation – fully autonomous, tethered, or via RF link buoy.

Thanks to their extremely low profile and high stability, the crawler robotic vehicles can operate in the surf zone and survive waves up to 6ft in height. The low power draw allows them to provide a static continuous observation capability for up to 100 days.

Advanced autonomy and precisionautonomous amphibious robots

Bayonet AUGVs are built around the OPEN Software and Equipment Architecture (OPENSEA) marine robotics platform, providing advanced autonomy and navigation technologies, and allowing hassle-free integration of a wide variety of equipment and devices.

The systems blend together single or dual RTK-capable GNSS receivers with advanced inertial navigation to provide precise navigation even when submerged.

The built-in inclinometer and pressure sensor deliver high-accuracy depth measurements.

Superior adaptability and mission performance

All Bayonet underwater robots can be equipped with a variety of field-swappable payloads, and we can also integrate custom and third party sensors for you.

Crawler RobotCrawler robots can also be equipped with a towable non-metallic sled that provides additional space for payloads as well as AUV delivery systems and extra power sources.

Possible integrations include:

  • Side scan and multibeam sonar
  • Video and photographic camerasSearch and rescue robot
  • Magnetometers
  • Acoustic Doppler current profilers (ADCP)
  • CTD (conductivity, temperature, and depth) sensors
  • Dissolved oxygen probes
  • Water sampling equipment

All three Bayonet robotic vehicles are also available in a heavy-duty configuration with extra torque and power for enhanced durability and payload capacity.

bayonet-150 amphibious robot crawler

Bayonet 150

One-person portable amphibious robot for lighter weather conditions and smaller payloads

  • 33 x 20 x 10 inches
  • Weight 125 lbs with batteries
  • 150 lbs deck capacity
  • Range 22 miles dry, 10 miles wet

More information >

bayonet-250 subsea crawler robotBayonet 250

Mid-range underwater crawler for nearshore, estuarine and inland environments

  • 48 x 52 x 14 inches
  • Weight 250 lbs with batteries
  • 250 lbs deck capacity
  • Range 24 miles dry, 10 miles wet

More information >

bayonet-350 underwater crawler robotBayonet 350

Largest subsea crawler for harshest conditions with maximum payload capacity

  • 5 x 6 x 1 ft
  • Weight 600 lbs with batteries
  • 350 lbs deck capacity
  • Range 38km+ at 1.8km/hr

More information >


Open architecture software framework for marine robotics

OPENSEArobotics autonomy software (Open Software Equipment Architecture) is an open architecture framework that provides developers of marine and subsea robotics with a flexible, modular and scalable software solution to base their systems on. Users can easily add new features, plug-ins, or upgrades to the core framework without conflicts, enabling enhanced functionality with unprecedented autonomy and control.

OPENSEA is the driving force behind all Greensea IQ robotic vehicles, and is available for military and scientific developers around the world to create next-generation platforms for EOD, special operations, and research.

Learn more: OPENSEA Open Architecture Framework


Combined hardware and software solution for subsea autonomy and edge computing

OPENSEA Edge combines the power of the OPENSEA software framework with state-of-the-art edge computing hardware to enable full autonomy capabilities for ROVs, AUVs and subsea robotics. Based around two NVIDIA processors and a Gigabit Ethernet network architecture, it allows developers to easily equip their vehicles with an array of advanced behaviours, including perception, autonomous manipulation and data-gathering, and navigation.

OPENSEA Edge autonomy solution

By shifting the computing burden from topside to the edge, bandwidth requirements for subsea vehicle communications can be relaxed, enabling the use of acoustic and satellite links instead of fiber optic and Ethernet tethers. This, in conjunction with enhanced processing capabilities, paves the way for the next generation of subsea vehicles with over-the-horizon command and control and AI-enhanced autonomy.

Learn more: OPENSEA Edge Combined Hardware & Software Solution

Robotics as a Service

Services for marine, maritime and littoral environments

We provide a range of services that accomplish complex and challenging tasks using our intelligent robotic systems, allowing customers to benefit from Greensea IQ’s advanced technology without requiring a large initial investment.

The EverClean Robotics-as-a-Service (RaaS) solution provides high-precision hull cleaning and maintenance with accurate condition data, ensuring that marine vessels are always operating at maximum operational efficiency and spotting potential issues before they escalate.

everclean robotics as a service raas

We also offer services for commercial, defense and scientific research applications with our Bayonet AUGVs, including near-shore hydrographic survey, wind farm inspection and survey, and UXO/EOD. Bayonet crawler vehicles can be equipped with a wide range of payloads, including environmental, oceanographic, hydrographic and benthic sensors, for efficient operations in the littoral zone.

Learn more: Robotics as a Service (RaaS)


survey robot

Commercial & Industrial

Our Bayonet amphibious robots, available off-the-shelf or as a RaaS capability, can undertake a variety of tasks regardless of weather and sea state conditions, including cable surveys, dredge monitoring, and offshore wind farm surveys. Our EverClean RaaS is also ideal for ensuring that commercial vessels are kept in optimal condition and at maximum readiness.

search and rescue robot (SAR robot)


Able to reach areas and withstand conditions that other systems cannot, our unmanned amphibious vehicles can undertake naval and defense missions such as EOD clearance, mine detection, intelligence gathering, and search and rescue (SAR). Our OPENSEA Edge hardware and software technology framework is also ideal for developing advanced autonomous vehicles for military and naval applications.

environmental monitoring robot

Environmental & Scientific Research

With the ability to carry a wide range of specialist environmental, oceanographic, hydrographic and benthic payloads, our subsea crawlers are ideal for longterm data gathering. The OPENSEA open source software platform has also been used to power a range of scientific survey and monitoring platforms.

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Regional Offices & Locations
Greensea IQ United States of America 10 Cordage Park, Suite 243, Plymouth, MA 02360, USA Contact Website
Headquarters United States of America 10 East Main Street, Richmond, VT 05477 USA Website