Precision inboard engine engineering for the discerning mariner. We ensure your vessel's heart beats with absolute reliability.


Advanced thermal and acoustic analysis to detect issues before they become failures.

Complete shaft line, gearbox, and propeller alignment for peak efficiency.

Scheduled maintenance packages designed to extend the lifecycle of your engine.
At Admiralty Circle, we don't just fix engines: we preserve the integrity of your maritime experience. Our technicians bring decades of specialized inboard knowledge to every hull.
Born from a passion for high-performance marine power.
Providing unshakeable engine reliability for every voyage.
To be the global standard in marine engineering.
Precision, integrity, and absolute safety.

"The attention to detail in my yacht's inboard service was unmatched. Peace of mind on the open water is priceless."
- Capt. Julian V.
"They diagnosed a complex vibration issue that two other shops missed. Truly master engineers."
- Sarah L., Yacht Owner
"Prompt, professional, and incredibly knowledgeable. My diesel engines have never run smoother."
- Michael R.
See our precision work in action.



