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What we do

Services

Service, sales, spare parts, electrical systems and boat transport — all from one trusted partner.

Marine engine service and repair

Engine Service & Repair

Full service for outboard and sterndrive engines. Diagnostics, fault repair, winter maintenance and upgrades.

  • Diagnostics with specialist tools
  • Oil & filter changes
  • Coil, starter and electrical repairs
  • Winter maintenance and operational checks
Engine and boat sales

Engine & Boat Sales

New and used marine engines, plus new and used boats — with the right guidance before you buy.

  • Mercury, Suzuki, Tohatsu, Selva, Mariner
  • Mercruiser sterndrive engines
  • Fiberglass and inflatable boats
  • Trade-in of your old engine
Marine spare parts and accessories

Spare Parts & Accessories

Supply of spare parts, lubricants and equipment for the proper operation and use of your boat.

  • Genuine spare parts
  • Lubricants
  • Marine supplies
  • Boat accessories
  • Trailer accessories
Electric motors and electric anchors

Electric Motors & Anchors

Sales, installation and service of electric motors and electric anchors — quiet, comfortable and precise on the water.

  • MotorGuide electric anchors
  • Mercury Avator electric propulsion
  • Momentum electric propulsion
  • Installation, testing and support
How it works

Our process

  1. 1. ContactCall or email — we listen to your needs.
  2. 2. DiagnosisBring in the boat or engine for inspection.
  3. 3. QuoteA clear budget covering labor and parts.
  4. 4. ExecutionCertified technicians and genuine spare parts.
  5. 5. DeliveryTesting, delivery and post-job support.

Boat workshop in Corinth, Greece — repair & service since 1966

At Theo Marine we handle the maintenance, repair and support of marine engines using modern diagnostic tools, genuine spare parts and clear communication before every job.

Certified service for every brand

We are official dealer and service center for the leading manufacturers: Mercury, Mariner, Tohatsu, Suzuki, Selva, Mercruiser and Quicksilver. We carry genuine spare parts in stock or can order them directly through the official distribution networks.

Marine engine repair — what we handle

Full outboard engine service, oil and filter changes, spark plugs, gear oil, anodes, computer diagnostics, carburetor and injector repair, plus electrical repairs including coils, starters and alternators. We also offer winter maintenance and storage so your boat is ready when you need it.

New & used sales

We offer new and used outboard engines, Mercruiser sterndrive engines, new and used boats, plus fiberglass and inflatable boats for leisure, professional use or fishing. We can also assess your old engine for trade-in.

Boat transport

For boats that need to be moved to our workshop, to storage or to a delivery point, we work with experienced transporters. Each transfer is planned around the size and needs of the boat to ensure safe pickup, careful handling and reliable delivery.

Customers who trust us

Port Authorities of Corinth, Isthmia, Poros, Hydra, Gythio and Antikyra, the Hellenic Air Force (112CW, 206PAY), the Engineer School, the 747 Engineer Battalion, the Archdiocese of Athens and many private clients.

Theo Marine in the heart of the Peloponnese

Our location offers easy access and organized service for repair, sales, spare parts, electrical systems and boat transport. Call us or email us at [email protected].

Need service or a quote?

We're here for every question and every need your boat may have.