📍 1350 Oceanview Ave, Marathon, FL 33050 📞 (305) 743-7116  |  Mon–Fri 8am–5pm (Closed 12–1pm)

Marathon Diesel Repair

“Only the best will do.” — Florida Keys

Authorized Yanmar Dealer Authorized Suzuki Marine Dealer

Our Services

Authorized Yanmar & Suzuki Marine dealer serving the Florida Keys for over 30 years

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Yanmar Diesel Engine Repair

Complete diagnostics, repair, overhaul, and reconditioning for Yanmar marine diesel engines from 9HP to 750HP. We are your Keys specialist.

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Suzuki Marine Outboard

As an authorized Suzuki Marine dealer we perform full service, warranty repairs, and parts installation on all Suzuki outboard engines.

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Mobile & Dockside Service

We come to your boat wherever it is in the Keys. $55 service call fee + $190/hr labor + travel time and mileage at $0.89/mile both ways.

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Engine Reconditioning

Remanufactured Yanmar marine diesel engines rebuilt to factory specs and ready for installation. Ask Luis about current availability.

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Marine Parts Sales

The largest Yanmar parts inventory in the Florida Keys plus a full stock of Suzuki Marine parts. Call first to confirm availability.

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Fully Insured

Marathon Diesel Repair carries full insurance and liability coverage for your peace of mind on every job we perform.

Service Rates

Shop Labor Rate $190.00 / hour
Mobile Service Call Fee $55.00
Travel Time (each way) $190.00 / hour
Mileage (each way) $0.89 / mile

Hours: Monday–Friday 8:00am–5:00pm. Closed for lunch 12:00pm–1:00pm.

Ready to Schedule Service?

Call us or send a message and Luis will get back to you promptly.

Contact Us
💳 Payment Options:
🤝 Local Pickup — Pay on arrival
📱 Zelle — Fast & easy transfer
💳 Stripe — Scan QR code to pay
📍 24.7046° N, 81.1090° W ⚓ Marathon, Florida Keys Open in Google Maps
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Marathon Diesel Assistant

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