Shaping the future of marine infrastructure requires innovative engineering consulting that focuses on effective port development.

+1.902.476.6344 is the contact number for our engineering consulting firm, specializing in marine infrastructure and port development.

3SeasMarine.com
3SeasMarine.com

+1.902.476.6344 is the contact number for our engineering consulting firm, specializing in marine infrastructure and port development.

Shaping the future of maritime infrastructure through innovative engineering consulting, focusing on marine infrastructure and port development.

Marine Engineering Solutions

Marine Engineering SolutionsMarine Engineering SolutionsMarine Engineering Solutions
Contact Us Today

Shaping the future of maritime infrastructure through innovative engineering consulting, focusing on marine infrastructure and port development.

Marine Engineering Solutions

Marine Engineering SolutionsMarine Engineering SolutionsMarine Engineering Solutions
Contact Us Today

About 3SeasMarine.com

A gray tugboat docked at a pier with people gathered nearby under a cloudy sky.

Our Mission

Our Expertise

Our Expertise

At 3Seas Marine Consulting Inc., we specialize in engineering consulting for ports, harbours, and marine operators looking to modernize, expand, and operate with confidence. Whether it’s a wharf rehabilitation, dredging program, new vessel slipway, or port development feasibility study — we deliver practical, data-driven solutions tailore

At 3Seas Marine Consulting Inc., we specialize in engineering consulting for ports, harbours, and marine operators looking to modernize, expand, and operate with confidence. Whether it’s a wharf rehabilitation, dredging program, new vessel slipway, or port development feasibility study — we deliver practical, data-driven solutions tailored to your operational and environmental realities. Our mission is to bridge engineering design, construction experience, and operational insight, ensuring that marine infrastructure projects are efficiently planned, sustainable, and future-ready.

Silhouettes of construction workers working amidst steel rods at a building site.

Our Expertise

Our Expertise

Our Expertise

3Seas Marine Consulting Inc., founded by Craig Reath, is a leading provider of engineering consulting services with over 30 years of experience in marine infrastructure, port development, hydrographic surveying, ROV operations, diving, dredging, underwater drilling and blasting, marine salvage, vessel and terminal operations, maritime sec

3Seas Marine Consulting Inc., founded by Craig Reath, is a leading provider of engineering consulting services with over 30 years of experience in marine infrastructure, port development, hydrographic surveying, ROV operations, diving, dredging, underwater drilling and blasting, marine salvage, vessel and terminal operations, maritime security, and coastal infrastructure projects across Atlantic Canada and beyond. Our team comprises a talented group of subject matter experts—including engineers, naval architects, environmental scientists, contractors, and marine operators—offering clients flexible, cost-effective expertise without the overhead of large firms.

Colorful 3D terrain elevation map with varying heights and textures.

Our Approach

Our Expertise

Our Approach

Core Values


Integrity and transparency in every engagement related to engineering consulting.


Technical excellence grounded in real-world experience in marine infrastructure projects.


Collaboration and communication with all stakeholders involved in port development.


Commitment to safety, sustainability, and innovation in all our initiatives.

About 3Seas Marine

Construction site at waterfront with steel sheet piling and a crane.

Our goal is to bridge engineering consulting, construction experience, and operational insight — ensuring marine infrastructure projects are efficient, sustainable, and future-ready for port development. 👉 Trusted expertise for private firms, government agencies, port users, first nations, and engineering teams across Canada and beyond.

Contact Us

Drop us a line!

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Better yet, see us in person!

We love our customers and invite you to visit us during normal business hours to discuss how our engineering consulting services can support your marine infrastructure and port development needs.

3SeasMarine.com

Middle Sackville, NS B4E 3J8, Canada

+1.902.476.6344

Contact Us

Drop us a line!

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

3SeasMarine.com

Middle Sackville, NS B4E 3J8

+1.9024766344

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