CMI Marine Electronics

QUALITY SALES, SERVICE, AND REPAIRS FOR ALL YOUR MARINE ELECTRONIC NEEDS We specialize in installations on Searay,Boston Whaler,Meridian and Cabo yachts.

We provide sales, installation and factory authorized service for all the major brands of marine navigation and entertainment equiptment. We have been in the same location and the exclusive marine electronics company for the local Sea Ray dealership for 25 years. At this point , there really isnt to many boat brands we havent rigged or provided service on.


Brian's Cockpit TV is coming together


Line'em up!!!


We are doing a bunch of custom work. Radar mounts , trolling motor plates...
Marv is burning the midnight oil for sure


We are doing a ton of custom trolling motor installs. A bunch of LI fishermen will be " spot locked" !!


CMI is up and rolling. It's been a real wet early spring for sure but we are grinding


Behind the scene where all the CMI work happens


Another CMI install of a Rhodan trolling motor on it way. These motors are very effective. A ton of great feedback after they are put in service.


Dan should be real happy with his new Worl Cat from Island Yacht Sales.
CMI dressed him up with a custom dash and a second 12" Garmin display

Photos from CMI Marine Electronics's post 05/19/2023

Keith's yellowfin is set up with a minn kota


We are doing a ton of these


As your premier supplier and installer of marine electronics, we are excited to announce that we have launched our new website. Check it out at and let us know what you think!

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296 N. Main Street
Sayville, NY

Opening Hours

Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm
Saturday 8:30am - 3pm

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