Makai Ocean Engineering

is a high-tech business founded in 1973 on the Makai Research Pier in Waimanalo, Hawaii. Our team is dedicated to providing world class solutions to our client’s most challenging problems.








Our Work

Makai has been in business since 1973 providing a wide array of professional ocean engineering and software services. We have become a world-recognized leader in several areas of ocean technology and energy systems. Our clients have referred to us as a “think tank” for ocean and energy related problems, owing to our reputation for being innovative, fast, and thorough in our designs.

Marine Energy

Submarine Cable


Thin Foil Heat Exchanger


Offshore Support

Subsea AI / ML








What sets makai apart

We provide robust, cost effective solutions to challenging marine engineering problems, that put our clients’ needs at the forefront. That’s why project owners trust us to design their systems and protect their investments in a variety of large ocean infrastructure projects, including subsea cables, marine pipelines, and more.

Our designs are supported by decades of experience building real world systems. This provides a basis of comparison allowing the costs and constructability to be considered throughout the entire project lifecycle, from initial design, to operations and maintenance.

Innovating in the Ocean World

Makai’s highly-qualified team of engineers are on the cutting edge of subsea technology development, and are pushing  the limits of what is possible.





Makai’s staff of engineers and scientists have a diverse skillset, many of whom are experts in their fields. This allows the business to carry out a wide range of projects; both in and out of the water. From large marine construction, to custom hardware and software research and development, Makai likely has someone on staff with the experience to solve our clients’ problems.

Marine Energy

Research and development of ocean-based renewable energy technologies including SWAC, OTEC, and others.

Submarine Cable

Owns and operates the world’s #1 software for planning and installing submarine telecom and power cables. 


Design, analysis & installation support of marine HDPE pipelines including intakes, outfalls, etc. 

Thermal Management

Design and analysis services for thermal management systems including heat exchangers.

Subsea R&D

Research and development of specialty subsea hardware systems, including rapid prototyping and testing.

Subsea AI/ML

Develop custom Artificial Intelligence and Machine Learning software for subsea applications.

Offshore Support

Ship & equipment commissioning and procurement for offshore deployments and testing.

Have a project that could leverage Makai’s Expertise?

Contact us by sending in this form any time you need professional support or have any questions. You can also fill in the form to leave your comments or feedback for Makai’s team.

Contact Us

Need support with Makai’s subsea cable software products?

Please visit Makai’s new submarine cable software helpdesk at the link below if you have any questions on how to use our products.