ONA Marine

Marine Services in Perth

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DESIGN - CONSTRUCT - Maintain MARINE & ENGINEERING SERVICES

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We provide quality marine engineered systems and hardware to the energy, defence and maritime industries, by designing and developing specialised equipment for Australasian conditions and collaborating with world class suppliers of marine equipment and technology to solve our customer's needs.

Our Services

Design, Buoys and Pontoons Subsea and Piled Instruments Anode and Equipment Skids Subsea Chain and Testing Gauges Screw and Percussion Anchors

Design

  • Buoys and Pontoons
  • Subsea and Piled Instruments
  • Anode and Equipment Skids
  • Subsea Chain and Testing Gauges
  • Screw and Percussion Anchors
Construct, Steel and Plastic Mooring Buoys Marine Deployment and Launch Systems Concrete Clump Weights Piled and Floating AtoN Systems Subsea Rigging and Moorings

Construct

  • Steel and Plastic Mooring Buoys
  • Marine Deployment and Launch Systems
  • Concrete Clump Weights
  • Piled and Floating AtoN Systems
  • Subsea Rigging and Moorings
Marine Maintenance

Maintenance

  • AtoN Buoy and Towers
  • Berth and Spread Mooring Equipment
  • Jetty and Pontoon
  • Subsea anodes and instrumentation
  • Gravity base subsea structures

Engineered Moorings and Subsea Assets

We provide quality marine and subsea asset support services to minize cost and maximise return on investments..

...to forward thinking marine companies, government and corporations seeking to gain a competitive advantage utilising asset lifecycle management to reduce maintenance costs, improve asset performance, enhance decision making, and extend useful life. Our dedicated team of asset managers support marine asset lifecycle solutions throughout Australia and South East Asia.
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Latest News

Modular Pump Pontoon – Mining Industry

Modular Pump Pontoon – Mining Industry

January 3, 2026

ONA Marine designed and developed a skid based modular pump pontoon for a mining industry client to support tailings dam operations in New South Wales. The pontoon was engineered to accommodate Orca Heavy Duty dewatering pumps in a vertical orientation, complete with associated spool connections. Its modular design incorporates off-the-shelf buoyancy modules, deck treads and..Read Article >

Emergency Tug Towing Arrangements

Emergency Tug Towing Arrangements

November 3, 2025

ONA Marine supported development of several bespoke towing arrangements to support a major tug operator in demonstrating the feasibility of harbour tugs undertaking marine casualty response operations. Each arrangement was designed around the unique deck layout and equipment constraints of the vessels, allowing emergency towing gear to remain permanently onboard while enabling quick and straightforward..Read Article >

Single Point Wheel Clumps

Single Point Wheel Clumps

October 1, 2025

ONA completed roll out of the new single lifting point wheel designs and received an immediate request for four units for temporary mooring units for the defence sector. The loop design offers a cleaner simpler system offering more cost effective single lifting point wheels. The loop design comes in 3 lengths that are suitable for..Read Article >