Chief Offshore

Chief Offshore Building the most reliable power on the water. Engine dyno tuning, rigging shop, full service and storage.

Chief Offshore specializes in the fabrication, sales and service of custom engines, including the Mercury Racing Hi-Performance line. We also focus on the innovation of marine endurance power packages. Our 25,000 total square foot facilities, complete boat rebuilds, re-powering, custom installations, multiple engine installations, custom graphic design, race rigging, and race team support. We also facilitate national and worldwide shipping and international mechanical support.

Donzi just got done fitting new tailpipes, next stop is the dyno then back in the boat!
09/03/2026

Donzi just got done fitting new tailpipes, next stop is the dyno then back in the boat!

08/27/2026

🔊Good morning neighbors!!🔊 Chief Offshore 900 wake up call! 36 Pantera serviced and ready for some more waves!

08/25/2026

Full Pull!! 🔊🏁 500 EFI with fresh top end!

The Best Heated Storage! Reserve your spot now!!Over 20,000 sq.ft. available. Message, call or text Ben 616-889-2234. $8...
08/24/2026

The Best Heated Storage! Reserve your spot now!!
Over 20,000 sq.ft. available. Message, call or text Ben 616-889-2234. $8.28/sq.ft for the winter through May 1st. 50 plus degrees and electronicly monitored! All boats personally cared for by Ben. Full service shop, Chief Offshore, for all your maintenance and winterization needs. Trailered boats only. Spring Lake MI.

Example 40' boat: 40' x 9' x $8.28 = $2,980 for the winter.

08/20/2026

A huge thank you to the Saginaw Bay Powerboat Run for bringing us to the thumb of Michigan for their second annual poker run.

Kris, Jerald, Janet and the entire staff made the weekend unforgettable for all 76 crews that came out to tackle Lake Huron. We've already got our calendars marked for 2027!

https://youtu.be/LaXPgl04DGI

Next on the Dyno, 500 EFI with fresh top end! Stay tuned for video..
08/20/2026

Next on the Dyno, 500 EFI with fresh top end! Stay tuned for video..

08/13/2026

22 Donzi Classic Blackhawk first sea trial today! Runs strong but the water pressure is way to high, we'll adjust pick-up and run again.

22 Donzi Classic Blackhawk is gonna be bad!!!🏁💪 Testing this coming week!
08/06/2026

22 Donzi Classic Blackhawk is gonna be bad!!!🏁💪 Testing this coming week!

Boyne 2026!
08/01/2026

Boyne 2026!

Experience the speed, power, and beauty of America's most iconic Po...

Address

16929 148th Avenue
Spring Lake, MI
49456

Opening Hours

Monday 6am - 4:30pm
Tuesday 6am - 4:30pm
Wednesday 6am - 4:30pm
Thursday 6am - 4:30pm

Telephone

(616) 844-1000

Website

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