Initial mobile diagnostic or service hour.
KEELMARKMARINE MECHANICS
Mobile Diagnostics + Repair
Professional mobile marine service for owners who want the problem found, explained clearly, and repaired correctly.
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.
02Mechanical Repair
Inboard, sterndrive and outboard service, cooling systems, pumps, ignition and routine maintenance.
03Marine Electrical
Charging systems, batteries, starters, wiring faults, shore power, bilge systems and electronics.
04Generators + Thrusters
Generator troubleshooting, hot no-starts, battery supply issues, contactors and thruster controls.
What the job
actually looks like.
No stock photography. No staged shop shots. These are real diagnostics and repairs on real boats around Greater Seattle.






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.
Greater Seattle
Marine Service
Straightforward rates.
Clear expectations.
Text us your boat • marina • problem with photos or videos when possible. We provide 24/7 preliminary estimates whenever the problem can reasonably be assessed remotely.
Final cost depends on diagnosis, access, parts and the actual scope of repair.
Labor after the first hour, billed for time on the job.
Send the problem first.
Photos and videos help us give you useful pricing guidance before the appointment whenever possible.
Text for an estimate →Text us three things.
24/7 real human response • Photos + videos welcome
Text for service