Marine Specialists in New South Wales

Family-owned marine construction specialists delivering durable waterfront infrastructure, experienced across sea walls, jetties, pontoons and commercial marine projects since 2018.

Government Icon

Government Tender Ready

Waterfront Icon

Waterfront Specialists

Commercial Icon

Commercial Capability

Restore Icon

Restoration Experts

Decorative Icon

Built for Working Waterfronts

M&J Marine Services delivers professional marine construction across New South Wales, supporting waterfront property owners, marina managers and government clients with reliable, well-built infrastructure. Since 2018, we have focused on practical, long-lasting solutions designed for real coastal conditions. From private jetties and pontoons to large-scale sea wall construction and commercial marine projects, our team understands what it takes to build safely and efficiently around water.


We work across Newcastle, Coffs Harbour, Lake Macquarie, Forster and Port Stephens, handling new builds, refurbishments and ongoing maintenance. As a family-owned and operated business, we value clear communication, honest advice and quality workmanship that stands up to daily use and harsh marine environments.


If you need experienced marine construction in New South Wales, speak with our team today on 0457 425 260 to discuss your project.

Barge on River with Excavator, Backhoe, and Pile of Rocks — M&J Marine Services in Medowie, NSW
Decorative Icon

Jetty Construction & Repairs

Strong, reliable jetty construction designed for long-term waterfront use. We handle new builds, refurbishments and structural repairs, delivering practical solutions that improve access, safety and durability in demanding marine environments.

Decorative Icon

Marine & Coastal Rehabilitation

Restoring coastal environments requires experience and careful planning. We deliver marine rehabilitation works, including revetments, groynes, breakwaters, soil conservation and native vegetation establishment.

Decorative Icon

Wharf Repairs

Wharf repairs restore strength and safe access to working marine structures. We repair piles, decking and structural supports affected by wear, helping extend the life of waterfront infrastructure.

Boat with Crane, M&J Marine on Side, Beside a Dark, Rocky Pier — M&J Marine Services in Medowie, NSW

Practical Marine Solutions

Working on or near water requires planning, precision and the right equipment. We provide jetty construction and repairs, sea wall construction and maintenance, pontoons, marine pile driving and marine commercial projects, along with marine rehabilitation and salvaging. Our experience extends to revetments, groynes, breakwaters and soil conservation, helping protect assets while improving long-term coastal stability.


We understand the compliance requirements often involved in government tenders and commercial marine projects, and we approach each job with safety and durability in mind. Whether upgrading ageing infrastructure, improving waterfront access or restoring coastal areas, we focus on solid outcomes that serve property owners, developers and marine facilities alike.


Explore our services to learn more or get in touch to discuss how we can support your next marine project.

Send Us a Message

Decorative Icon