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Fish finders are becoming less of a luxury and more the norm on saltwater and freshwater fishing boats. As technology continues to improve—front facing sonar (FFS) and side imaging—prices continue to increase. However, anglers can find great deals on a variety of fish finders during the Amazon Prime Day sale going on now.

Below are some of the best fish finder deals from brands like Lowrance, Garmin, Humminbird, and more. Don’t wait too long to make a decision, though. The sale only lasts until tomorrow night.