Diamond Marine Service

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701 Wells Rd Ste D
Boulder City, NV 89005
+1 (702) 294-1811
http://www.diamondmarineservice.com

Diamond Marine Service LLC, located in Boulder City, Nevada, is a reputable and family-owned boat repair shop with over 30 years of experience in the marine industry. Led by Jeff Willoby, a passionate boat racer and skilled engine builder, the team at Diamond Marine is committed to providing exceptional service, attention to detail, and competitive pricing to boaters in Southern Nevada and beyond.

With a focus on customer satisfaction and a dedication to treating each boat as their own, Diamond Marine offers a wide range of services to meet all boating needs. From engine design and building to repairs and maintenance, their team of experts ensures that boaters are always ready to hit the water. Whether you're a local resident or just passing through, Diamond Marine Service is the go-to source for all things boating.

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2.519 reviews
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Mike T.
7/21/2025

I've had a lot of work done to my boat at Diamond Marine. They're great mechanics , fair and trustworthy. I had difficulty trying to contact them and thought they were no longer in business. I...

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D G.
9/11/2025

would not recommend diamond marine Jeff (owner) to be trusted with your money or boat. paid for parts upfront approximately 5k never got the parts I ordered, I did get some random parts he had...

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Max M.
5/26/2023

Charged me $3000 Sabotaged my boat, ripped me off told me to take them to court. Outdrive never had an oil leak or made knocking sound until diamond marine (spencer & jeff) took it apart and put...

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JaynDebbie S.
4/28/2020

STOP DO NOT TAKE YOUR BOAT HERE! our boat was released to someone else and the shop owner stated "oh I thought that was you in the black dodge. He was reluctant to be forthcoming with video...

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Niko D.
7/3/2020

Wow so glad I found Diamond Marine. The new owner Jeff has worked on my Hallett from maintenance to modifications and has always been upfront and fair with his pricing with great communication...

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