10 Best Fish Finder For Trolling Motor 2025 in the United States

The Lowrance Elite FS 9 Fish Finder is a solid choice for anglers using trolling motors, offering a mix of advanced sonar features and user-friendly design. One of its standout features is the Active Imaging 3-in-1 sonar technology, which includes CHIRP, SideScan, and DownScan capabilities with FishReveal, providing a high level of detail and accuracy in identifying fish and underwater structures. This is beneficial for serious anglers seeking precise information on underwater environments. Additionally, the device is ActiveTarget ready, allowing for live sonar imaging, which is excellent for real-time observation of fish behavior, although this requires purchasing additional accessories.

The 9-inch multi-touch LCD display is both sizable and high-resolution, making it easy to view and interact with the device, even in harsh sunlight. It’s also designed for easy installation and use, which is ideal for users who may not be familiar with complex electronics. The inclusion of preloaded C-MAP Contour+ charts offers detailed mapping of over 8,900 U.S. lakes, enhancing navigation and fishing spot identification. However, some users might find the price point a bit high, especially considering that full functionality may require additional purchases like the ActiveTarget sonar.

Though the device supports extensive networking capabilities, integrating it with other systems might be complex for beginners. The Lowrance Elite FS 9 Fish Finder is well-suited for dedicated anglers looking for an advanced, feature-rich fish finder for their trolling motor, though it may be overkill for casual users or those on a budget.

The Humminbird 410150-1 PIRANHAMAX 4 Fish Finder is a solid choice for anglers using trolling motors. It features a Dual Beam Sonar, allowing you to switch between a narrow beam for detailed views and a wide beam for broader coverage, making it easier to spot fish and underwater structures. The 4.3-inch LCD display with a resolution of 480 x 272 provides clear visuals, although some users might prefer a larger screen for better visibility in bright sunlight or rough conditions.

The included XNT 9 28 T transom-mount transducer is compatible and ready to use, which is convenient and saves additional costs on separate purchases. However, this model does not include GPS or advanced mapping features, which might be a drawback for those who need precise navigation aids. The fish finder is easy to set up and use, thanks to its tilt and swivel mount and simple button interface, although it lacks wireless connectivity options that some advanced users might expect.

With a maximum measuring depth of 600 feet, it should suffice for most freshwater and some saltwater fishing scenarios. The device is powered by a lithium-ion battery, which ensures a decent runtime. Weighing only 2 pounds, it is lightweight and portable. The Humminbird 410150-1 PIRANHAMAX 4 is a dependable, easy-to-use fish finder suitable for recreational anglers who prioritize ease of use and basic sonar capabilities over advanced features like GPS and wireless connectivity.

The Garmin Striker Vivid 7cv is a solid choice for those looking for a reliable fish finder tailored for trolling motors. With its 7-inch color display, it offers clear visibility, and the new vivid scanning sonar color palettes make it easier to spot fish and underwater structures. The included GT20 transducer enhances its capabilities with both traditional and scanning sonar, which is great for detailed views of what’s below your boat.

One of the standout features is the high-sensitivity GPS, allowing users to easily mark waypoints, create routes, and even monitor boat speed. The built-in Quickdraw Contours mapping feature helps you create custom maps of your favorite fishing spots, which can be very handy for regular outings.

There are some drawbacks. While the Wi-Fi connectivity is a nice touch, allowing you to connect with the ActiveCaptain app for waypoints and notifications, it can be a bit of a hassle to set up for those who aren’t tech-savvy. Additionally, while the battery-powered design adds convenience, users will need to manage battery life during longer trips. The Garmin Striker Vivid 7cv fish finder is particularly beneficial for casual and avid anglers looking for an easy-to-use device that combines effective sonar technology with GPS mapping. It’s user-friendly enough for beginners but provides enough features to satisfy more experienced fishermen as well.