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After buying the paddle and life vest, the first kayak fishing accessory to add is a fish finder and GPS. Using the best kayak fish finder, anglers can harness the power of advanced sonar to see fish and structure below the water. Add a GPS, and the fish finder is a valuable navigation aid. Best of all, the best kayak fish finders are no longer expensive. Cool features that used to be reserved for expensive models are now standard on cheap fish finders. Whether you’re looking for a basic fish finder or an advanced sonar fish finder and navigation package, the best budget fish finders for your kayak is out there.

The Best Budget Fish Finders for Kayaks: Reviews & Recommendations

Best Overall: Garmin Striker Plus 4

For a small fish finder, Garmin’s Striker Plus 4 has big features. This fish finder uses a powerful chirp signal to create a clear image with excellent target separation. It also has a basic GPS that marks waypoints, plans routes, and displays speed. Quickdraw charts allow the user to combine the GPS with the fish finder to create custom depth charts. 

Best with Side-View Sonar: Humminbird Helix 7 CHIRP MSI 

The Humming Helix 7 with mega side imaging has a stronger signal for a more detailed image. The best side-view sonar also has a GPS loaded with Humminbird’s base map and custom mapping. Humminbird fish finders are tested and proven in kayak fishing world, and the Helix 7 MSI has all the functions most kayak anglers need. 

Best Castable Fish Finder: Deeper Pro+ Smart Sonar Fish Finder

Deeper started the castable fish finder trend and still leads the race. The Deeper Pro+ combines its powerful Wi-Fi transducer with an easy-to-use smartphone app. All data is backed up and secured on a cloud server. The Pro+ sends a signal out to 330 feet and scans down to 260 feet to read what is around and below your kayak. It also comes with a built-in GPS that creates a map of the surrounding area and structure around your boat. It runs two beam frequencies with 15 scans per second.

Best Affordable: Lowrance Hook2 4X

Lowrance’s Hook2 4X fish finder and GPS is easy to use and easy to see. The four-inch screen is bright and clear, even in direct sun. A high-definition sonar image with autotune shows the clearest view of fish and structure. The simple menu and basic features are accessible through intuitive buttons. 

What To Consider When Choosing Budget Fish Finders for Kayaks

With so many choices for the best budget fish finders for kayaks, you might get frustrated finding the right one. Nowadays, the best features and functions on fish finders are available at a lower price than ever. First, you need to determine what you need your fish finder to accomplish. Do you one to just read depth and structure? Are you looking for something with a GPS and side scan sonar? Screen size and other features like sonar range are also important to consider depending on what type of fishing you do. Remember the following before buying a fish finder.


A seven-inch screen is best for a fish finder with GPS. The best GPS will include tide and current data along with detailed charts for navigation and finding the structure that holds fish. Today, many fishing kayaks are designed with routing and housing for a fish finder transducer. So installing any fish finder is quick and easy. 

Navigation Charts

Serious anglers are looking for all the advantages of a full-function fish finder and GPS. In addition to high-definition traditional sonar, a fish finder with GPS offers side-view and down-view sonar. These sonar fish finders use a high-power signal to create almost photographic images of structure and fish. Side view sonar shoots a signal to the side of the boat to capture images of fish and structure up to 200 feet away. But the best kayak fish finder isn’t very good if you don’t know where you are. Combining a powerful sonar with detailed navigation charts and functions allows the angler to find structure, mark waypoints, monitor tide and current information, and navigate from the launch to the fishing grounds and back.

Side Imaging

Nothing has changed the fish finder game like side view sonar. The ability for the angler to see fish and structure up to 200 feet on either side of his kayak makes it harder for the fish to hide. The best fish finders for kayaks have side-view sonar that is compact with a high-definition sonar signal capable of picking up slight deviations in structure and fish marks while cutting down noise and clutter.

Look for a display with multiple color choices to pick the shade that is most visible to match the conditions. A seven-inch display is easy to see from the kayak seat, even in direct sunlight. To fit in any kayak, the best side-view sonar will have a small transducer that will fit in a special scupper in the kayak hull. Using the best side-view sonar, you get a clear image of drops and humps, grass and rocks, deadfalls and wrecks, and fish and bait hiding within.


Many kayak anglers don’t want to install a fish finder display and transducer on their kayak. Or, they have more than one kayak but a budget for only one fish finder. For these anglers, a castable fish finder is the best option. Castable fish finders use a small transducer about the size of a tangerine. Tie the transducer to the end of a fishing line and cast it away from the kayak. Then, slowly retrieve the transducer while watching the display on a smartphone app. Or, attach the small transducer to a flexible arm mounted on the kayak to use it as a traditional sonar that doesn’t require permanent installation. The transducer uses Wi-Fi to connect to the phone. The best castable fish finders can even collaborate with the smartphone GPS to create custom maps of favorite fishing areas.


Some anglers are looking for the best fish finder for the money. The best budget fish finders for kayaks sacrifices some features to save a little money. For around $100, you can get a high-powered traditional sonar and basic GPS. Even a cheap fish finder uses an advanced transducer with a high-powered signal with wide and narrow views. Plus, a basic GPS marks waypoints, creates routes, and displays speed. Even at a bargain, the best budget fish finders are a powerful fishing and safety tool.


Q: What is the best inexpensive fish finder?

Even after reviewing all the options available, you might still ask what is the best inexpensive fish finder? While there are plenty of basic fish finders for around $100, fish finders with advanced features can be bought at a great value. As fish finder technology has advanced into side-view and down-view sonar with high-powered GPS and detailed navigation charts, the best features are available at a lower price. To choose the best inexpensive fish finder, look for the cheapest fish finder that has the features you’ll use most often. 

Q: What is the best fish finder for a kayak?

Will any fish finder work on a kayak? What is the best fish finder for a kayak? It has never been easier to add electronics to a kayak. Many fishing kayaks are designed to accommodate a fish finder and transducer. If you plan to add a fish finder, look for a kayak with a special scupper to hold the transducer and gear tracks or mounting pads to install the display mount. For a simple fish finder and basic GPS, a four-inch display will take up less space in the cockpit. To access advanced features like side view and navigation charts, a seven-inch display is large enough to see in split-screen mode. 

Q: Can you use a fish finder on a kayak?

Can you use a fish finder on a kayak? In fact, you should use a fish finder on a kayak. Whether you’re on a motorboat or a kayak, a fish finder is a valuable fishing and safety tool. A fish finder provides images of the structure and fish below and to the sides of the boat. Combined with a GPS, the angler can keep track of speed, fishing locations and navigate to the fishing grounds and back. Kayak anglers value a GPS for information on speed and tracking so they can save paddling and pedaling energy. Monitoring depth and structure along with speed and distance allows kayak anglers to fish better and safer.

Final Thoughts on the Best Budget Fish Finders for Kayaks

To find the best budget fish finders, look for sturdy construction, a compact display, and an easy-to-install transducer. To find the best fish finder for the money, squeeze the most features out of the least expensive fish finder. Today’s bargain fish finders come with advanced sonar and navigation features at a great value. 

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