Mobile Marine Mechanic on the Gold Coast

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Proudly Servicing the Northern Rivers, Gold Coast & Brisbane

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Diesel & Petrol Expertise In One Service

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Fully Mobile Marine Mechanic – We Come To You

Book Your Mobile Service

Tell us your boat type, engine details and location, and we’ll confirm your service quickly and clearly.

Expert Marine Care At Your Dock

Based In Coomera, Built For The Coast

We’re Ocean Mate Marine Services, a fully mobile marine mechanic based in Coomera and proudly servicing the Gold Coast, Brisbane and Northern Rivers. Instead of asking you to tow your boat across town, we bring our workshop to you. Whether you’re docked in a marina, moored privately or parked at home, we handle diesel and petrol engines, breakdowns and routine servicing on site. Our focus is simple – practical advice, thorough diagnostics and work done properly the first time, without the runaround.


We make boat maintenance straightforward and stress free. Call 0435 514 529 to book your mobile service today.

What Is a Marine Repower?

The "Elevator Pitch" Definition

A repower is essentially a "heart transplant" for a boat. It involves replacing an ageing or broken engine with a new or higher-performance power source while keeping the original hull. It is the most cost-effective way to get "new boat" reliability and performance without the "new boat" price tag.


Key Benefits for the Customer

  • Restored Reliability: Eliminates the "will it start?" anxiety of older engines.
  • Fuel Efficiency: Modern engines (especially 4-strokes) use significantly less fuel than older models.
  • Higher Resale Value: A fresh engine is the number one value-add for a used boat.
  • Better Tech: Enables digital gauges, GPS integration and "fly-by-wire" (electronic) shifting.


The Three Ways to Repower

  1. Like-for-Like: Replacing an engine with the same model or its modern equivalent (simplest install).
  2. The Upgrade: Moving to higher horsepower to improve "hole shot" and top-end speed.
  3. The Tech Swap: Switching from old 2-stroke technology to cleaner, quieter 4-stroke power.

What’s Included in a Full Repower?

A professional repower is rarely just the engine block. It typically involves "the rigging":


  • Controls: New throttle and shift assemblies.
  • Instrumentation: Digital displays and engine monitoring systems.
  • Propulsion: A new propeller tuned specifically to the new engine’s power curve.
  • Fuel/Electrical: Updated lines, filters and wiring harnesses to meet modern standards.

Mobile Boat Servicing

Routine maintenance keeps your vessel reliable and ready for the water. We handle logbook servicing, oil and filter changes, system checks and mechanical inspections to maintain consistent performance year round.

Diesel Engine Repairs

When diesel power matters, precision diagnostics make the difference. We service inboard diesel engines and stern drives, troubleshoot fuel systems and complete heavy duty repairs to restore reliable dependable performance.

Outboard Services

Outboard engines require careful tuning for consistent performance. We service 2 stroke and 4 stroke outboards, complete diagnostics and repairs, and keep petrol inboards running efficiently every season.

Marine Electrical & Diagnostics

Modern vessels rely on dependable electrical systems. We install and service battery setups, complete rewiring, fault finding, fish finder and marine radio installations, and accessory fit outs for boating reliability.

Emergency Breakdowns

Unexpected engine trouble can ruin a day on the water. We provide emergency on site diagnostics, identify non starting issues and carry out mechanical repairs to get you moving again.

Pre-Purchase Inspections

Buying a boat should come with confidence, not uncertainty. We perform detailed mechanical assessments, inspect engines and systems, and provide clear condition reporting before you commit to purchase with clarity. 

What Our Clients Say

Everything Your Boat Needs

From logbook servicing and oil changes to diesel troubleshooting and outboard repairs, we cover the full scope of marine mechanical work. We service inboard diesel engines, stern drives, 2-stroke and 4-stroke outboards, along with marine electrical systems, battery setups and accessory installations like fish finders and radios. If your engine won’t start, we provide urgent on-site diagnostics and breakdown support across the region.


We also carry out pre-purchase inspections, giving buyers clear mechanical insight before committing. If your boat needs attention, we’re ready to help