Sonar RangeAdvanced Underwater Acoustics.
Sensibly Priced.
We are proud to distribute Cerulean Sonar — a leading manufacturer of acoustic imaging, subsea positioning, and bathymetry systems engineered to remove the cost barrier from professional-grade sonar technology.
Find the right system in three questions
Sonar names tell you very little until you already know the answer. Tell us what you are trying to do and what you are flying, and we will name the exact model and part number — and show you what we ruled out, and why. No sign-up, and every price is on the page.
What do you need to do?
What is it going on?
How deep will it work?
— changes the enclosure on this modelPick what you need to do above and your match appears here.
Complete Acoustic Solutions for Every Mission
From high-resolution imaging to precise positioning and multibeam bathymetry — Cerulean Sonar covers every subsea sensing need.
View All 34 Products →Imaging Sonars
Forward-looking, side-scan, and 3D sonar for ROV navigation, inspection, and search & recovery. See structures, wreckage, and seafloor in real time.
Subsea Positioning
USBL systems, ROV Locators, and DVL technology that pinpoint your ROV in real time on a map — from entry-level to full professional grade.
Bathymetry
Multibeam and single-beam echosounders that generate professional depth maps from small USVs, ROVs, and AUVs — at a fraction of traditional survey costs.
SonarView Software
Free cross-platform software that controls your hardware, visualizes sonar data live, and exports survey results. Runs on Windows, macOS, Linux, and BlueOS.
Explore the Range
Best Seller
Omniscan 450 FS
Forward-looking imaging sonar for ROV pilots. 120m range, 50° vertical beam, real-time SonarView display. Ideal for wreck hunting and navigation.
USBL
Omnitrack USBL
Complete topside ROV positioning system with integral GNSS compass. Available in wired PoE, Mk V Rx-equipped, and wireless Wi-Fi configurations.
Multibeam
Surveyor 240-16 MBES
16-channel multibeam echosounder for small USVs. Survey 10× faster than single-beam. Integrated IMU, 240 kHz, 80° swath. Exports to standard hydrographic formats.
Breaking Down the Cost Barrier
Cerulean Sonar was founded with one mission: make professional-grade underwater acoustic technology accessible to researchers, explorers, and operators worldwide.
Accessible Pricing
Industry-leading performance at a fraction of traditional sonar costs — opening possibilities for small teams, universities, and commercial operators.
Simple Integration
Standard 100BaseT Ethernet interface, 10–30V power input, and full software support make integration with any ROV or USV platform straightforward.
High Resolution
450 kHz operating frequency and up to 1/1200th range resolution deliver imaging quality that rivals systems costing many times more.
Platform Agnostic
SonarView software runs on Windows, macOS, Linux, and in-browser via BlueOS. Works with BlueRobotics, Blueye, QYSEA, Chasing, and more.
Designed to Integrate
Cerulean Sonar products are validated and optimized for integration with leading ROV and USV platforms.
Designed for Blue Robotics Platforms
Cerulean Sonar products integrate seamlessly with the leading ROV and uncrewed surface vehicle platforms — both of which we carry.

BlueBoat USV
The BlueBoat is the ideal surface platform for the Surveyor 240-16 MBES and Omniscan 450 SS-BB. Build a complete autonomous survey system with sensors and vessel from one supplier.
View BlueBoat →
BlueROV2
The most popular ROV in the world is built for Cerulean Sonar. Mount the Omniscan 450 FS, ROV Locator, or Tracker 650 DVL using purpose-designed brackets. Native ArduSub and BlueOS compatible.
View BlueROV2 →
QYSEA FIFISH
Factory-configured Omniscan 450 FS editions integrate directly with the QYSEA FIFISH E-Go and W6 platforms — adding Cerulean imaging sonar to a FIFISH ROV with plug-and-play setup.
View QYSEA FIFISH →
Blueye
Cerulean Sonar sensors and SonarView pair with Blueye inspection-class ROVs — bringing affordable acoustic imaging and positioning to the Blueye platform.
View Blueye →Integrators who build on Cerulean
Eleven integrators — survey houses, ROV builders and payload specialists — in seven countries. These are customer quotes published by Cerulean Sonar about Cerulean equipment; they are not SepcoTech references.
“The maritime industry now has an affordable, high-quality hull-mounted side scan sonar. The Omniscan 450SS, integrated with a Blue Robotics BlueBoat, allows autonomous mapping of coastal areas, locating shipwrecks, and identifying seagrass boundaries.”
“Cerulean’s sonars provide reliable bottom-tracking in a portable form—ideal for platforms like the BlueBoat.”
“SPH Engineering has integrated the Surveyor 240-16 MBES and side-scan sonars into custom UAV payloads, enabling fully automated data collection in environments where USV/ASV operations are impractical or unsafe.”
“AlphaGeo’s partnership with Cerulean Sonar enhances our capabilities by integrating Chasing ROVs with forward and side-scan sonars and MBES sonars for the Blue Robotics Blue Boat USV solutions.”
“Cerulean’s sonar product line is the best solution for small ROVs. Our clients who have used the equipment are delighted with the results.”
“Cerulean’s sonar products have significantly enhanced our operations, providing our clients with reliable and affordable underwater positioning and imaging solutions.”
“The Cerulean Omniscan 450 sonar system has proven highly efficient, providing precise underwater exploration and research data, significantly enhancing operational efficiency.”
“I value its simple installation, great performance, and QGroundControl integration where map position is updated without any input or configuration after being connected.”
“The great value-for-money of Cerulean products allows us to significantly expand our potential customer base and make underwater technologies available at prices unthinkable for other competitors.”
“It is great to see companies like Cerulean Sonar pushing the limits to make sonar technology solutions available at reasonable prices.”
“Cerulean’s sonar products enable our ROVs to perform complex autonomous operations cost-efficiently.”
Collected from ceruleansonar.com. We are a Cerulean Sonar distributor — the hardware, the warranty and the documentation are Cerulean’s; the stock, the quote and the support in your time zone are ours. Not sure which system you need? →
Your Trusted Global Partner
As a worldwide authorized Cerulean Sonar distributor, we provide sales support, technical expertise, and after-sales service. We bridge the gap between world-class US engineering and your operational requirements — with responsive support, fast delivery, and competitive pricing.
- Authorized distributor with full product access
- Local technical support and integration assistance
- EUR pricing with no hidden import costs
- Trained on all Cerulean Sonar product lines
- Fast worldwide delivery from stock and order
Quick Reference Pricing
| Imaging Sonars | from €2,341 |
| Subsea Positioning | from €2,811 |
| Bathymetry Systems | from €837 |
| SonarView Software | Free |
| Accessories | from €33 |
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