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General Info
Dupo Marine Center owners Robert Smith and Monty Cordray are well trained in all aspects of boats and other watercraft as well as service and engine repair. With a combined 50 years of experience, both Robert and Monty have broad knowledge of not only marine engine repair, but also in general boat knowledge.
BBB Rating
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Regular Hours

  • Outboard Motors
  • Sales
Basscat, Mercury Motor, Polar Kraft, Skeeter, Yamaha Motor
Other Email

Social Links
Boat Equipment & Supplies, Boat Trailers, Boat Storage, Outboard Motors, Boat Maintenance & Repair, Boat Dealers, Marine Equipment & Supplies


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Annie A.


Great experience

My husband and I recently bought our first boat from Dupo Marine. We could not be more pleased! Stephanie, Rob, and Monte were all extremely helpful! They truly made the whole process so easy for us. Their customer service is outstanding! They are all very knowledgable. We will definitely be returning for all of our boating needs!




I brought my boat in for some MUCH needed TLC ! I had a BAD experience with another company in St. Louis and was terrified of how much the next company was going to charge me to fix all of my boat problems, only to find out later the problem still exists. The challenge that I had is that I really didn’t know much about what was all needed to fix the engine and hydraulic steering, especially for an engine that was ran for a long time in salt water. After speaking with some friends from IL & MO they ALL recommended Dupo Marine, and now I see why. When speaking with both Rob and Monte about the issues we were running into they FULLY explained what was needed and why, in laymen terms, so I was able to understand. Moreover, they kept me informed of the progress they were making and what the costs were for each repair, both material and labor.

I will be a FOREVER customer of Dupo Marine !! Thank you for all of the memories you allowed us to have this July 4th. We wouldn’t of been watching the night explode in color on our boat without all of your HARD WORK !!


Jenerra R