12 Sep 25
At Thwaites Marine, our mission is simple: to keep your yacht or motor boat running smoothly so you can enjoy the freedom of cruising the beautiful East Coast of Australia without any worry.
Based in Coffs Harbour, our team of professional marine mechanics specialises in inboard engine servicing, repairs, and installations across a wide range of trusted brands. Conveniently located just 1.5 hours south of Yamba and north of Port Macquarie, we’re perfectly positioned to support cruising sailors and power boaters along this stunning stretch of coastline.
Expert Care for Every Vessel
We cater to a wide range of marine vessels, from compact sail yachts to luxury cruisers, tailoring our services to meet individual boating lifestyles.
Our expertise includes:
- Extensive work on yachts, such as engine replacements and refits, particularly for high-end brands such as Riviera and Maritimo.
- Stern drives, Jet drives, prop and prop shaft repairs.
- Steering systems and driveline maintenance.
- Engine alignments and shaft angle optimisation for smooth and efficient cruising.
- Diagnostics and wiring solutions to keep all onboard systems reliable.
We are not afraid of big projects. From complete refits and repowers, we create custom solutions designed to maximise performance and peace of mind at sea.
Why Choose Thwaites Marine?
We are recognised within the industry for our specialised services, with most of our work focused on inboards. Our workshop is equipped with everything needed to tackle tough jobs, including heavy lifting gear, welders, specialised pullers for large propellers and shafts, and a modern forklift.
As authorised dealers for Volvo Penta, Yanmar, John Deere Marine, Tohatsu, and Mercury Seapro, we provide our clients with diagnostics, wiring, and comprehensive maintenance services for a variety of marine engines.
We handle everything in your engine room to ensure your vessel operates at its best when you’re out in the open waters.
A Trusted Partner for Cruisers
Our long-standing relationships with repeat clients speak volumes about the trust we’ve built over the years. Many return year after year because they know we deliver results and peace of mind on the water.
Visit our Testimonials page to see how we’ve helped yacht and motor boat owners overcome challenges, improve efficiency, and continue their aquatic journey with confidence.
Cruise the East Coast with confidence! At Thwaites Marine, we support your journey and deliver solutions trusted by satisfied clients.
👉 Book your inboard servicing or installation today with Thwaites Marine! Your boat is always in good hands.
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