Established in 1985, Seamark Electronics has continued to grow every year. Along with a large selection of marine electronics, we also offer installation services, basic in-house repairs, bench checks, and dockside service from Key West to Ocean Reef.

    FCC Licensed
    NMEA Certified Advanced Marine Electronics Installers
    Member of the American Boat and Yacht Council
    Organized Fisherman of Florida
    Middle Keys Marine Association

If your vessel requires service at your dock or in the boat yard you can rest assured that our qualified and trained technicians are licensed and insured

Contact us today for more information about our qualifications and experience.


Please fill out this form and someone will get back with you as soon as possible. If you need to reach us sooner, please call 305-743-6633 during normal business hours.

Monday - Friday  8:00 AM - 5:00 PM

Closed Saturday & Sunday

230 20th St. Ocean, Marathon, FL 33050
PH: 305-743-6633


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