Coastline Surveys Ltd. (CSL) Group provides professional independent marine data acquisition, interpretation and consultancy services world-wide from operating bases in Gloucestershire, Norfolk and Cornwall. Our highly qualified and versatile team of scientific and industrial specialists provides the complete service from field operations to consultancy needs. We are experienced in site investigation and survey for marine construction, environmental impact assessment and oceanographic monitoring. We also provide hydrography, bathymetry, oceanography, geology, geotechnical and geophysical surveys, multibeam, swathe, and ecological and environmental studies.

About Us


Coastline Surveys lid is on established and independent marine survey contractor with operational bases in Falmouth, Cornwall and Lowestoft, Suffolk. Marine investigations are undertaken throughout Northern Europe with capability for worldwide deployment.

Established in 1991 to undertake predominantly bathymetric and geophysical surveys, the Company developed in-house geotechnical capabilities in 2009 at Lowestoft with a range of owned vibrocores, grab samplers, CPTs etc in addition to expanding a comprehensive suite of bathymetric geophysical and markie environmental survey equipment.

We are particularly experienced in markte and riverine surveys which others may feel ore inaccessible, logistically too complex, or too small to be worth their while undertaking. Full onshore support is provided by a team of professionals and our dedicated processing and laboratory facilities ensure a rapid turnaround of results and reports. Coastline offers a wealth of scientific and industrial experience and expertise in-house and we pride ourselves in our strong liaison with experts nationally and worldwide. Small enough to offer a personal bespoke service and individual customer-focused solutions, yet large enough to conduct and conclude specialist surveys near and offshore. Coastline is dedicated to providing the highest possible levels of safety and service. Efficient, effective and easy to do business with. Coastline Surveys Ltd offers solutions for all your survey needs.

Coastline Surveys Ltd regularly participates in marine surveys associated with port development, dredging, marine mining, construction and industrial monitoring compliance projects. Scientific research and policy development relating to coastal zone activities is also undertaken in association with national governmental organisations.

Coastline Surveys Ltd owns and continually invests in new technology and has lead the development of several novel data acquisition techniques tailored to specific Client needs.

Integration of data with management structures has led Coastline Surveys Ltd to develop graphic visualisation techniques in reporting to display multidisciplinary geoscience data in a format that non-specialist decision-makers can quickly assimilate.


4000RSi & 4000DSi - DGPS Reference Surveyor & Differential Surveyor

The 4000RSi Reference Surveyor receiver and 4000DSi Differential Surveyor receiver incorporate the latest in GPS technology, offering true, real-time positioning accuracy better than 0.5 meter. Based on Trimble’s advanced Maxwell processing technology, these DGPS receivers provide the highest level of accuracy even when operating in the most challenging conditions. The 4000RSi receiver operates as an autonomous reference station, generating DGPS ...

PA 200 - PA500 - Digital Precision Altimeters

Tritech PA200 and PA500 Digital Precision Altimeters are based on the same high performance electronics found in the well-proven, industry standard SeaKing sonar and profiler systems. The range of compact Tritech PA200 and PA500 Digital Precision Altimeters provide exceptionally accurate height off seabed and subsea distance measurements. Full digital synthesis of transmit and receive frequencies, together with greatly improved input dynamic range, offer ...


Charting & Maintenance Dredging

Precise and accurate mapping of the coastal zone especially around port approaches and in shipping lanes is essential for charts to show maritime users the seabed morphology and submarine features. Safety and efficiency require route entrances and berths to be clear of obstacles and of adequate depth as shown on the charts. Coastline Surveys Limited undertakes regular bathymetric surveys of ports, harbours and marinas and their approaches. These are ...

Route Surveys for Cables, Pipelines & Outfalls

Prospective routes for river crossings, sea outfalls, cables and pipelines must be identified, studied and selected prior to construction. Monitoring of the progress should be continued during the operation and afterward to ensure its continued safe operation. Gathering such data at an early stage allows designs to accommodate seabed conditions, thus saving otherwise costly delays later in the project due to unforeseen ground conditions. Using a ...


HYDROpro NavEdit & Processing Software

Trimble’s HYDROpro software suite is a comprehensive hydrographic survey package designed for today’s diverse hydrographic industry. The suite offers a total field-to-finish solution for a wide variety of survey applications, including bathymetric charting for ports, harbors, and river authorities, sedimentation and erosion studies, environmental research and monitoring studies, volume computations for dredging programs, and site survey charting for ...

HYPACK Hydrographic Survey Software Summary & Screen Samples

HYPACK is a Windows based software package used primarily for hydrographic surveying and data processing. It is optimized to run under: Windows 2000, Windows XP. HYPACK performs all of the tasks necessary to complete your survey from beginning to end. Geodetic Parameters. Planned Line Design. Equipment Configuration. Data Collection supporting. over 200 sensors. Data Processing. Tides and Sound Velocity. Sounding Reduction. Export to DXF/DGN. Plotting of ...

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