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(02) 9810 9030

Working Hours

Mon - Fri 0700 - 1600



Need a major repair or just require minor work to maintain your boat in optimal condition? As highly experienced shipwrights, spray painters, fibreglass & gelcoat repairers we can bring your boat back to life and get you back on the water.

Whether you need damage assessed with a competitive quote for insurance purposes, your boat detailed or a complete restoration all your requirements can be completed quickly and professionally.


Our total marine services include a fully equipped workshop and a fully equipped mobile marine service that can come to your marina. All our marine technicians are fully trained and experienced with Volvo Penta, Mercury/MerCruiser, Yanmar, Caterpillar and Cummins as well as Onan and Kohler marine generators.

We do repairs and servicing on all brands of diesel and petrol inboard and outboard motors, stern drives, sail drives, electrical, hydraulics and repowering. Ask us about our comprehensive vessel maintenance packages.


Exterior and interior detailing as well as gelcoat fiberglass restoration done on site. Complete refurbishment of the interior, carpet replacements, new signage and graphics are available. Restoring teak decks to their pristine condition is done with leading Semco products.

All our boats are cleaned with the Demi5 Portable Water Softener that eliminates limestone and chlorine. This saves time on surface drying.

National Marine is a total marine services company that strives to surpass the demands of the marine industry. National Marine is the warranty agent for Maritimo and New Ocean. Our team has extensive experience in the marine industry and we are structured to provide our clients with a one-stop comprehensive range of maritime services and support. We are authorised dealers for SEMCO, Fusion, Yanmar and Volvo Penta. We are the preferred installers of Seakeeper Gyros and Kohler Generators.

We are the exclusive distributors for HP Watermakers and Demi5 in Australia and New Zealand.


The Sydney Boathouse,
29 James Craig Road, Rozelle,
NSW, 2039
(02) 9810 9030