About Us

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 Retzlaff Marine has been servicing boats in Oconomowoc for
over 30 years. Rob Hamer and family continues to run the company
started by Earl and Jean Retzlaff providing the quality of
service people have come to expect.


In July of 2011, the company moved to 728 E Wisconsin Ave
in Oconomowoc to better serve our customers. 

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Now Offering New Pontoon and Fishing Boat Sales

Introducing Veranda Luxury Pontoons with patented inter-locking deck system built to last year after year. 


Introducing Xpress Boats the original all welded aluminum boat.



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We are a Honda, Yamaha, and Tohatsu Certified service center.


Our marine trained technicians have been taking care of  boats for over 30 years. They can fix all makes and  models. Inboard and outboards, including your jet ski.

We do full engine repairs from minor tune-ups to carburetor and  engine rebuilds, or new engine installation. 

Contact Us

Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

Retzlaff Marine

728 East Wisconsin Avenue, Oconomowoc, Wisconsin 53066, United States

262-567-3228

Hours