10 Best Fish Finders for Kayaks in 2020

If you are struggling to catch anything when you go kayaking, then you could benefit from investing in a fish finder. Kayaking is a very popular hobby and one that everyone can enjoy, but it can be made even better if you own a fish finder. Fish finders are a great gadget to have with you when fishing as they make the process easier and ensure that you are going in the right direction.

Once you have spent a lot of money on your kayak fish boat, you want to make sure that you are getting the best experience with it possible. There are a lot of gadgets and devices you can invest in for your kayak, but a fish finder is the best thing you will buy. Fish finders come in all shapes and sizes, so it can be quite challenging to find the best one for your needs, which is why we have created this in-depth review.

We have used customer reviews and manufacturer information from to find the ten best fish finders for a kayak.

View The Best Fish Finder for Kayaks Below

1. Garmin Striker 4 Fishfinder

Garmin Striker 4 Fishfinder


This Garmin Striker 4 fish finder is the best in this review due to the fact it has clear scanning. This makes it easier for you to see what is in the water around your kayak, as it has a clear screen, GPS tracking, and shows a wide area of water. It is a high-frequency sonar that can provide near-photographic images of the water around you and what fish are near. This Garmin Striker clear screen offers a detailed image and description of objects, water structure, and fish around your kayak.

This Garmin Striker 4 fish finder is easy to use as it has a simple interface, making it suitable for various users. It has a key interface with dedicated buttons for control, making it easy for you to use and see what you need to. This is one of the best kayak fish finders due to the technology it uses, including a waypoint map that can be used to easily navigate and mark certain locations that provide good fishing. This fish finder is a built-in flasher, making it suitable for ice fishing or vertical jigging, making it versatile.

+ Clear scanning
+ Near-photographic display
+ GPS tracking
+ Simple interface and buttons
+ Waypoint mapping

Why We Liked It – This Garmin Striker best fish finder for a kayak is one of the best as it has clear scanning, with a near-photographic display and waypoint mapping for accurate readings.

2. Humminbird HELIX 7 Fish Finder

Humminbird HELIX 7 Fish Finder


This Helix 5 is a great quality portable fish finder for kayaking as it has a 7-inch screen that is clear and easy to read. This is a high definition screen that provides mega side imaging that allows you to see the water below your kayak with crystal clear screening that relies on GPS. This makes it easier to track and locate fish below. This Helix 5 fish finder can provide readings from as far down as 125 feet below and on either side of your kayak using GPS.

This Helix 5 fish finding device for kayaks comes with an SD card that allows you to use it right out of the box. This SD card provides map coverage of over 21,000 lakes and water bodies across the US and Canada. This is a great quality Helix 5 fishfinder that comes with a mounting bracket, transducer, power cable, and gimbal mounting bracket so it is easy to install and can be used immediately. This is a great fish finder for kayaks in deep water, as it can cover a great range of water and provides a clear image of what is below. The Helix 5 has a color display that is clear to read and offers accurate sightings.

+ Clear 7-inch screen
+ SD card included
+ Can read to 125 feet below
+ Includes cables and brackets
+ GPS color display

Why We Liked It – This Helix 5 kayak fish finder is of high quality as it has a color screen that can provide readings up to 125 feet below as well as 21,000 bodies of water.

3. Venterior Handheld Fish Finder

enterior Handheld Fish Finder


This is the best fish finder for those on a budget who still want to get the most out of kayak fishing. It can provide readings on and detect water depth, fish size, approximate fish location, as well as other objects in the water around you like sand and weeds. You can change settings based on your location, and these can be saved when the device is turned off, allowing you to get back into kayak fishing with ease next time.

This fishfinder comes with a round transducer that has a 25-foot cable and a removable transducer float, which makes this device suitable for fishing in a kayak, off the dock, and ice fishing. This fish finder can be applied to lake, river, sea, and other fishing environments, making it versatile and suitable for all kinds of fishing.

This device uses sonar to detect the water depth and location of fish, providing accurate readings. It has five main settings that you can choose based on your needs, including fish alarm, battery saving mode, and backlight mode to fish in all lighting settings.

+ Various readings provided
+ Versatile device
+ Affordable option
+ 25-foot cable
+ Sonar detection

Why We Liked It – This is one of the best fish finders for those on a budget as it is affordable, yet offers precise readings on fish location and water depth using sonar.

4. Deeper PRO+ Smart Sonar Wi-Fi Fish Finder

Deeper PRO+ Smart Sonar Wi-Fi Fish Finder


This is a high spec fish finder for kayak fishing that relies on castable sonar so it can cast readings further and scans deeper in the water while using GPS. This fishfinder has more features than many other models, allowing it to offer precise readings as well as being easy to use as it can be tailored to your needs. It comes with an inbuilt GPS that allows you to create bathymetric maps from the shore, as well as giving you free access to the Lake book for more information.

This fish finder offers incredible data, as it can scan down to 260 feet as well as 0.5-inch target separation and a dual-beam scanner at 15 per second. This fish finder is great for boat and kayak fishing, as it can be installed in seconds as it does not require any cables or batteries. This is a portable fish finder that uses GPS and flasher technology that is easy to read. This GPS powered device also has solid connectivity that syncs instantly to your phone or tablet using Wi-Fi.

+ High spec device
+ Castable sonar scanner
+ Great reach of 260 feet below
+ Portable fish finder
+ Quick installation

Why We Liked It – This is one of the best portable fish finders as it is a high spec product, with an inbuilt GPS that can reach 260 feet below and connects without cables required.

5. Humminbird 410160-1 PIRANHAMAX Fish Finder

Humminbird 410160-1 PIRANHAMAX Fish Finder


These fish finders for kayaks have a digital display screen that is easy to read as it is 4-inches in size. This fish finder provides down imagery sonar that provides sharp imagery of the water below your kayak, allowing you to locate fish and determine the water depth. This fish finder relies on a dual-beam sonar so you can choose from a narrow and wide beam, based on whether you want great detail or a wide coverage area.

Using this fish finder when kayak fishing allows you to identify fish, structure, and contours of the land below.
This fish finder is easy to adjust as you can twist and swivel the mount allowing you to see all angles. This fish finder makes it easy for you to keep track of fish and objects below your kayak as it has fish and depth alarms, as well as the ability to zoom on screen for a more detailed view.

This best kayak fish finder comes with a suction cup mount already installed, making it easy to attach to your kayak so you can get fishing without delay. It attaches securely and will not move, so you don’t have to worry about it when out fishing.

+ Digital display
+ Great depth view
+ Dual sonar beam
+ Adjustable angles
+ Alarms for fish and water depth

Why We Liked It – This fish finder for a kayak has a digital display that makes it easy to read as well as relying on a dual sonar beam that can be altered based on your needs.

6. Lowrance HOOK2 5 Fish Finder

Lowrance HOOK2 5 Fish Finder


This is one of the easiest fish finders to use as it features auto-tuning sonar as well as phone-like menus that allow you to quickly find what you need when fishing. Using this fish finder for kayaking allows you to focus more on fishing and what you are catching, rather than adjusting the settings on this device. These fish finders have a wider sonar coverage that equals more than double the standard offered by other devices.

This ensures that no part of the water will go missed, so you can catch all the fish around you.
These fish finders are easy to install onto your kayak as they can be mounted on the transom, inside the hull, or even on the trolling motor based on your needs and size of kayak you are using.

It comes with a complete SplitShot transducer that can provide a down scanner sonar that faces the bottom of the lake as well as a fish arch sonar for more views, which is provided by Chirp Sonar. This is a detailed fish finder making it one of the best as it comes with pre-loaded C-map of US inland lakes with 1-foot contours and over 3,000 lakes, as well as standard coverage for an additional 9,000 lakes.

+ Auto-tuning sonar
+ Easy to install
+ Features Chirp sonar
+ Pre-loaded c-maps
+ Detailed display

Why We Liked It – This fish finder for kayaking is one of the best as it relies on two sonars, downward and chirp sonar, as well as having a detailed display.

7. LUCKY Handheld Fish Finder

LUCKY Handheld Fish Finder


This is a handheld fish finder that is great for those looking for a more affordable option while still wanting precise readings. This fish finder can provide readouts on both the fish around your kayak, as well as bottom contour readings. It will also read and display water depth, approximate fish location, as well as other objects like tall and short weeds as well as sand and rocks on the bottom of the lake. As this is a portable device, you have the option of hanging it around your neck for hands-free operation.

This fish finder is versatile and can be used in a variety of fishing environments, including offshore fishing, kayaking, ice fishing, and sea fishing as well as fishing on a lake. It has a good depth readout that can be shown in either feet or meters based on your needs, as well as coming with five powerful functions for ease of use. These functions include battery saving mode, backlight modes, and fish school alarm. These fish finders for kayaks have a sensor with a 25-foot cable for great reach and a removable transducer float.

+ Great value
+ Small and portable
+ 5 powerful settings
+ Versatile fish finder
+ Good depth readout

Why We Liked It – This fish finder is portable, compact, and offers great readouts for water depth and fish location as well as having a 25-foot sensor cable.

8. HawkEye Fishtrax 1C Fish Finder

HawkEye Fishtrax 1C Fish Finder


This is an intelligent fish finder that can deliver precise readings for up to 240 feet below your kayak. This is one of the best fish finders as it has an HD color display with an LED backlight to enhance visibility and provide glare-free GPS readings when out on the lake. The sonar sensor on this fish finder is trollable, as well as being boat mountable and floatable to provide excellent portability so it can be used on every fishing trip.

These fish finders provide fish depth targeting, as well as an HD bottom landscape imaging screen allowing you to see clearly what is underneath your boat. It features algorithmic software programming that is manufactured to minimize false readings, allowing it to be accurate and precise when fishing. This fish finder also sounds an audible fish alarm that will signal the presence of fish underneath your kayak using GPS, so you know exactly where to mount and fish.

+ Intelligent scanner
+ HD display
+ LED backlight for visibility
+ Precise sonar scanning
+ Versatile mounting

Why We Liked It – This fish finder is precise and intelligent, with versatile mounting options and an HD display for enhanced visibility.

9. LUCKY Portable Fish Finder

LUCKY Portable Fish Finder


This is a compact and lightweight fish finder, making it portable and easy to take with you on your kayak. It features a clear display that will show water depth, fish location as well as the location of other objects, including bottom grass and rock. This fish finder can also be used to show depth units and will sound an alarm to indicate when fish are near, making it easy to use. It is also easy to adjust the sensitivity settings based on your needs, making this a versatile device for all kinds of fishing.

This fish finder has a wireless sensor that can shut off when in the water if required. This sensor has a great operating reach of 400 feet. It has a 90-degrees beam angle to provide great reach and is suitable to be used in a variety of fishing locations, including lakes, rivers, and sea. This fish finder is easy to maintain as it requires standard alkaline batteries, which is why it is wireless, making it a good option for those on a budget. It also comes with various fish alarms and settings to keep you on track.

+ Lightweight and compact
+ Accurate fish alarms
+ Adjustable sensitivity
+ Wireless sensor
+ Great depth of 400 feet

Why We Liked It – This is a versatile fish finder that is portable and wireless, as well as offering various accurate readings, and the sensor can reach 400 feet.

10. RCANK Fish Finder

RCANK Fish Finder


This is a portable fish finder, making it one of the best as it is lightweight and compact. It has a 2.8-inch color screen that can detect and display underwater contour, water depth, water temperature, and fish size. This fish finder uses an advanced wireless sonar sensor that can detect and display various measurements and units, all of which can be converted so they will be easy to read. This fish finder is USB rechargeable making it easy to maintain.

This fish finder has various featured settings that make it easier to use, including screen brightness adjustments, alarm settings for depth, temperature, and fish, as well as zoom. The screen is small but colored, so readings are easy to see, and it offers a clear image. This fish finder can be used for various forms of fishing, and it will be one of the best accessories you buy. It would also make a great gift for someone who loves fishing and kayaking.

+ Portable
+ Colored screen display
+ Wireless sonar sensor
+ USB charging port
+ Adjustable settings

Why We Liked It – This is a portable and wireless fish finder that is made for ease of use, as well as having adjustable settings to enhance user experience.

Fish Finders for Kayak Buyer’s Guide

About This Review

This review was written by a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means of linking to and commission.
For more information about this service, leave a reply to this article.

Do I need a fish finder on my kayak?

There are a lot of pieces of equipment and tools that you are told you need to have for your fishing trip. One of the best things you can invest in is a fish finder. These are very useful devices that can make every fishing trip successful, so they are something you should consider.

display of fish finders

Fishfinders give you a serious advantage when it comes to going out on your kayak. The best fish finders will provide you with all kinds of readings, including the structure, so you can find feeding fish with ease. These devices will display on-screen the location of fish, using GPS systems, the water depth, temperature as well as contours of the waterbed. These kinds of devices can also provide you with information regarding other objects in the lake, like tall weeds and rocks, so you know which areas to avoid.

As you can see from this review, there are a lot of options when it comes to fish finders for kayaks, which can make it quite hard to find the best one. All of these devices work in the same manner, but some are kitted out with additional pieces of equipment and technology to enhance user experience.

No matter what kind of fish finder you choose, you will see the difference immediately, and your fishing trips will be changed for the better.

What kind of battery do I need for my fish finder?

Fishing tackle set and fishfinder, echolot, sonar at the boat. Spinning rods with reels and lures

The battery that is needed for your fish finder will differ based on which one you have chosen. The kind of batteries that are used by these devices can determine the battery life, so it is something you want to consider carefully. Some of the devices in this review require regular alkaline batteries in order to provide power, whereas others rely on a rechargeable battery that can be powered using USB or similar ports.

In most cases, a rechargeable battery will be the best option as these will have a long battery life as well as being easier to power up as they will simply need to be plugged into a charging port like any other device you own. You will find that the best kayak fish finder will come with a range of features, such as chirp sonar technology, dual-frequency scanners, GPS tracking, and an HD screen, all of which need to be charged by a powerful battery.

The more features these devices have, the greater the battery will have to be.


Fish finders can give you a huge advantage when fishing in your kayak. These are precise devices that provide readings for everything you require when out on the water.

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Did You Know?

Fish finders can do more than just locate fish, as they can also tell the water depth, temperature, as well as waterbed contours to make fishing easier.

Expert Tip

Ensure that you choose fish finders that have a readable screen for you, as this will make it easier to locate fish and be more successful on the water.

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