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

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Our Top Picks

#1

Winner

Lowrance Elite FS 9 Fish Finder with Active Imaging 3-in-1 Transducer, Preloaded C-MAP Contour+ Charts

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.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Sonar Type
The detail provided by the sonar features, including side scan and fish finder, surpasses older models and significantly enhances the fishing experience.
GPS and Mapping Features
The preloaded maps are highly appreciated, offering detailed information on depths, water temperature, and navigation, making it an essential tool for enjoyable fishing trips.
Ease of Use
Installation is straightforward, and the unit is user-friendly, even for those who are still learning to use all its features.
#2

Garmin Striker Vivid 7cv, U.S. with GT20-TM Transducer - Easy-to-Use 7-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Sonar Color Palettes (010-02552-00)

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.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Display Size and Resolution
The large screen is a standout feature, making it easy to read and program.
Ease of Use
Replacing the Striker 4 with this model has proven to be a great upgrade, highlighting its ease of operation and value.
#3

Garmin 010-01550-00 Striker 4 with Transducer, 3.5" GPS Fishfinder with Chirp

The Garmin 010-01550-00 Striker 4 is a compact and user-friendly fish finder, making it a solid choice for those who enjoy fishing with a trolling motor. Its 3.5-inch display offers a resolution of 480 x 320 pixels, providing clear images of what's underwater thanks to its Chirp sonar technology. This feature sends out a range of frequencies, giving you detailed representations of fish, structures, and the aquatic environment, which is particularly beneficial for targeting specific areas while trolling. The device also includes a waypoint map, allowing easy navigation to spots like brush piles and docks, which is crucial for effective fishing. It’s rated for depths of up to 1,600 feet in freshwater, making it versatile for various fishing conditions.

On the downside, the screen size might be considered small by some users, especially those who prefer larger displays for easier viewing when out on the water. The resolution, while decent for its size, may not be as sharp as higher-end models, which could affect visibility in bright sunlight. Additionally, while the unit is rated IPX7 for water resistance, some users may want to ensure proper installation and care due to its sensitive electronic components. The device runs on lithium metal batteries, so battery management is essential to avoid running out of power during long fishing trips.

The Garmin Striker 4 is well-suited for casual to intermediate anglers looking for an efficient and easy-to-use fish finder for trolling. Its combination of quality sonar and mapping features provides good value, though those wanting more advanced functionality or larger screens may want to explore other options.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Sonar Type
Shows fish arcs, blobs of baitfish, and the shape and contour of the bottom clearly.
Display Size and Resolution
The screen is easily visible even in full sunlight with sunglasses on.
GPS and Mapping Features
Knowing the depth is super helpful for both fishing and navigation.
Power and Frequency
Running off a deep cycle battery, it worked all day alongside the trolling motor.
Ease of Use
Mounted easily to the trolling motor without drilling into the hull, making it convenient and effective.

Buying Guide for the Best Fish Finder For Trolling Motor

Choosing the right fish finder for your trolling motor can significantly enhance your fishing experience. A fish finder helps you locate fish underwater by using sonar technology, making it easier to find the best spots to cast your line. When selecting a fish finder, it's important to consider several key specifications to ensure it meets your needs and works well with your trolling motor. Understanding these specs will help you make an informed decision and get the most out of your fishing trips.
Sonar TypeSonar type refers to the technology used by the fish finder to detect fish and underwater structures. The main types are traditional sonar, CHIRP sonar, and side imaging sonar. Traditional sonar is good for basic depth and fish detection, CHIRP sonar provides more detailed and accurate readings, and side imaging sonar offers a wide view of the area around your boat. If you are a casual angler, traditional sonar might be sufficient. For more serious fishing, CHIRP or side imaging sonar can provide better results.
Display Size and ResolutionThe display size and resolution determine how easy it is to read the information on your fish finder. Larger screens with higher resolution provide clearer and more detailed images, making it easier to identify fish and underwater structures. Display sizes typically range from 3 inches to over 10 inches. If you fish in various lighting conditions or need to see fine details, opt for a larger, high-resolution screen. For occasional use or smaller boats, a smaller screen may be sufficient.
Transducer CompatibilityThe transducer is the part of the fish finder that sends and receives sonar signals. It's important to ensure that the transducer is compatible with your trolling motor. Some fish finders come with transducers that can be mounted on the trolling motor, while others may require additional accessories. Check the specifications of both the fish finder and your trolling motor to ensure compatibility. If you frequently switch between different boats or motors, a versatile transducer that can be easily mounted and removed is ideal.
GPS and Mapping FeaturesGPS and mapping features allow you to mark fishing spots, navigate to specific locations, and create detailed maps of the water you're fishing in. These features can be incredibly useful for tracking your fishing patterns and finding your way back to productive spots. Some fish finders come with built-in GPS and preloaded maps, while others may offer these features as optional upgrades. If you fish in unfamiliar waters or like to keep detailed records of your fishing trips, a fish finder with GPS and mapping capabilities is a great choice.
Power and FrequencyThe power and frequency of a fish finder affect its performance and accuracy. Higher power allows the sonar signals to penetrate deeper and provide more detailed readings, while different frequencies can offer varying levels of detail and range. Common frequencies include 50 kHz, 83 kHz, 200 kHz, and higher. Lower frequencies are better for deep water, while higher frequencies provide more detail in shallow water. Consider the type of water you fish in most often and choose a fish finder with the appropriate power and frequency for those conditions.
Ease of UseEase of use is an important factor, especially if you're new to using fish finders. Look for a model with an intuitive interface, clear instructions, and easy-to-navigate menus. Some fish finders offer touchscreens, while others use buttons or dials. Consider what you find most comfortable and convenient to use. If you prefer a straightforward, no-fuss experience, choose a fish finder with simple controls and a user-friendly design.

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