Greater Seattle • Puget Sound

KEELMARKMARINE MECHANICS

Mobile Diagnostics + Repair

Professional mobile marine service for owners who want the problem found, explained clearly, and repaired correctly.

Text for service

425-623-0719

24/7 REAL HUMAN RESPONSE

DiagnosticsMechanicalElectricalMaintenance

01 / CAPABILITY

Serious diagnostics.
Practical repairs.

Keelmark provides mobile marine diagnostics, mechanical repair and electrical troubleshooting directly at your boat or marina.

We focus on getting to the actual cause of the problem before recommending parts or unnecessary work.

Marine Diagnostics

No-starts, intermittent faults, warning alarms, overheating and hard-to-trace problems.

Mechanical Repair

Inboard, sterndrive and outboard service, cooling systems, pumps, ignition and routine maintenance.

Marine Electrical

Charging systems, batteries, starters, wiring faults, shore power, bilge systems and electronics.

Generators + Thrusters

Generator troubleshooting, hot no-starts, battery supply issues, contactors and thruster controls.

ENGINE DIAGNOSTICSCHARGING SYSTEMSOVERHEATINGMARINE ELECTRONICSWINTERIZATIONPRE-PURCHASE INSPECTIONS

02 / REAL WORK

What the job
actually looks like.

No stock photography. No staged shop shots. These are real diagnostics and repairs on real boats around Puget Sound.

Alternator charging system diagnostic in a boat engine room — **Charging System Diagnostics**Electrical / Alternator / Voltage Testing

Marine thruster contactor and motor wiring — **Thruster Electrical**Controls / Contactors / Power Supply

Damaged marine pump being inspected during repair — **Mechanical Repair**Pumps / Cooling / Failure Diagnosis

Marine battery tester displaying battery test results — **Battery Testing**Load / Health / Charging Systems

Destroyed marine impeller removed during service — **Cooling System Failure**Impellers / Overheating / Preventive Service

Twin MerCruiser engine room during mobile marine service

MOBILE SERVICE / GREATER SEATTLE

03 / HOW WE WORK

Text first.
Less waiting around.

Send us the boat, marina and problem. Photos and videos are welcome. We’ll get the right information up front and keep the process simple.

BOATYear, make, model and engine if known.

MARINAWhere the boat is located.

PROBLEMWhat it is doing, when it started and any photos/videos.

Start a service text →

04 / SERVICE AREA

Greater Seattle
+ Puget Sound

SeattleBellevueKirklandMercer IslandRentonShorelineEdmondsEverettRedmondSammamish

05 / REQUEST SERVICE

Text us three things.

01 // BOAT02 // MARINA03 // PROBLEM