Best Fish Finder Under 300$ + Buyer’s Guide


In this evolving world, technology is one of the major factors which offer the coolest and digital lifestyle to the people. The creative innovations are increasing more and more in many fields. Likewise, one of the technological inventions is a fish finder. If you love to fish, then the fish finder will help you to find the fishes under the water.

Now, you may puzzle yourself that how much should I spend to get a good quality Fish Finder? Whether it is expensive? So, if you are confused with these questions, no need to worry anymore. Here, I’ve provided the best fish finder under 300 Dollars. This list will help you to find the best one for you.

To provide the best fishing experience with the perfect fish-finder, I’ve looked at the features that are basically needed for the buyers and listed the best from the market.

In a hurry?!, here are my top picks



If you want a basic finder with no hi-fi facilities like GPS, preloaded maps, or charts, then the Humminbird PiranhaMax 197c is a good choice.

It works on a dual-beam 2D sonar and a transducer that can detect upto a depth of 600 ft. The display screen is also big 3.5″ and has a brighter resolution of 240H x 320 pixels.

The fish finder's well-lit LED backlight is a blessing at night times; this is one of the reasons for people to go crazy with this product.

Lastly, the fish finder is waterproof and is IPX7 certified. This means even if you immerse this viewfinder 3.3ft deep into a water body still, nothing will happen to the device.

The 4 programmable buttons under the screen are so easy to use that you'll not consider the lack of a touchscreen a minus.

The in-built XNT 9 28 T transducer can detect the top-surface temperature and provide accurate bottom readings at up to 30 MPH.

The best part I like bout this fish finder is that it can detect between small, medium, and large fishes based on some parameters. You'll get the notifications accordingly.

Overall, this PiranhaMax 197c is the best choice for beginners and canoe anglers.


  • Features Fish ID, fish alarms, depth alarms and zoom
  • Dual-beam 2D sonar
  • XNT 9 28 T transducer
  • 3.5" display with 1600 watts PTP power output


  • 3 different alarms for detecting the battery, fish and depthGreat for in-land and off-shore fishing
  • Compact in size
  • Inexpensive
  • User-friendly.


If the above mentioned product didn't satisfy you, here you go with this choice - The Garmin Striker Plus 5CV. Unlike the Humminbird 409670-1 Piranhamax 197c, this has got a in-built GPS.

That too it has a GPS "trail" feature which means it will mark your route for the entire trip, and get you back to the launch area.

You can use this fish finder to a depth of 1,100 feet in saltwater, and 2,300 feet in freshwater. Great right!? Wait, not done. If something that is 750 feet below your boat crosses you, you can get a clear photographic image of that. Yes that's possible as this machine is equipped with a ClearVu scanning sonar. 

The next interesting feature is it's split screen which will allow you to access down view sonar, scanning sonar, and waypoint views along with the depth. That too, this fish finder screen's will display the current kayak speed, so you can know whether you're on the right pace for fishing the right species.

Lastly, if you are rowing on a kayak, there could be no better option that this because it can be mounted to the interior of the kayak hull. Also, you get many more devices like power/data cable, rechargeable battery with a charger, suction cup along with this device. So isn't it a perfect kit for your kayak or canoe-fishing?!


  • CHIRP sonar (2D, Down Imaging)
  • GT20 transducer
  • Built-in flasher
  • Tilt/swivel mount
  • 5” display (800 x 480 pixels)


  • Excellent battery life of more than 9 hours
  • The GPS Trail feature is very useful
  • Compact and waterproof


Garmin Striker Vivid 4cv is one of the latest models released in the later part of 2020, and is considered as the best budget fishfinder. It comes with Vivid ClearVü sonar which offers countless color palettes to your device.

Its large buttons on the control panel and bright color display make the device easy to use and extremely comfortable. It has a shock-resistant body, large control buttons, and a 4-inch color display with a resolution of 272x480 pixels.

Garmin Striker Vivid 4cv has an inbuilt backlight that allows you to use it even at night. Its built-in GPS sensor will enable you to find promising fishing spots quickly.

It can be helpful to divide the display in half, which allows you to view images in two different formats simultaneously.

The waterproof feature meets the requirements of IPX7, and it comes under military standards. It means that the device can withstand complete immersion in water for at least 30 minutes.

It includes GT20 sonar, which allows you to access the features of a traditional Garmin CHIRP scanner as well as CHIRP ClearVu. Moreover, its multi-beam scanning technology allows for high display accuracy and good detail.

Overall, the Striker Vivid 4cv is compact and ideal for small boats and inflatable boats.


  • Shock-resistant body.
  • Inbuilt backlight.
  • Tilt mount.
  • Waterproof resistant.
  • Includes GT20 sonar


  • High-sensitivity GPS.
  • Low-price fish finder
  • Can be used in deep under water.


The Deeper Pro plus Smart Sonar is an impressive and versatile fish finder. It is the best fish finder under 300. This castable and the wireless fish finder can be used remotely and comes with in-built GPS that permits you to find the fish efficiently. Unlike other fish finders, this Deeper Pro fishfinder is simple and unique to use.

It comes with the micro-USB cable, so it is easy to charge. It is one of the most reliable products which offers incredible features and functions. It is not a regular fish finder as it uses a Wi-Fi connection. 

It comes with a double-band sonar transducer. The first band scans the huge area at around 90 kHz via a 55-degree sonar cone. The second high-powered sonar band is used at around 290 kHz via the narrow 15-degree sonar cone. 

Furthermore, the GPS of this fish finder will let the transducer to capture the deep readings from various locations. Apart from the GPS, this fish finder features a mapping software in order to create color-coded maps of the river. Also, the Deeper Pro is featured with various sonar modes like Standard mode, ice fishing mode, boat mode, and an onshore GPS mode.

The Standard mode is the basic fish finder that displays in 2D view. The ice fishing mode provides two separate screens with rounded ice fishing flash and it is a conventional 2D view. The boat mode is used to connect the GPS system of the smartphone for frequent tracking. The GPS mode is used for generating map data. 

If you are searching for best fish finder with advanced technology, then here is your pick. Grab now!


  • In-built GPS.
  • Standard mode.
  • Ice fishing mode.
  • Boat mode.
  • Onshore GPS mode.
  • 330 ft. casting low range.
  • 260ft. Scanning depth.
  • Double-band sonar transducer.


  • Easy to use and operate.
  • Tracks the exact spot of the fish.
  • Perfect for ice fishing.
  • Inexpensive.


In that case, I have a separate article for the best fish finders under 500$. You can check that.



The Garmin Striker 4cv is a traditional style device that comes with a light-weight compact form. This Garmin Sticker is equipped with the GPS system, which is used to track the location of the fish spot. It is a little unit with powerful waterproof technology.

The device is packed with 500 watts power, 1700 feet to find the depth of the water, and immense at about 830 feet in saltwater. The transducer of the unit can be mounted on a trolling motor or transom, which lets you enhance the capabilities to fit the range of water. The rechargeable battery is portable and perfect for canoe, ice fishing, and kayak.

The larger Garmin model features an accurate GPS marking system that generates underwater views to the users. The in-built flasher of the fish finder gives you a frequent read on underwater depth while fishing.

Even, it works well for jig fishing. The tilt mount of the fish finder provides you with a good look with its 3.5-inch color display. It also helps you even at night and sun glare. Overall, it is the best inexpensive fish finder that comes with portability and durable to use.


  • 3.5-inch color display.
  • GPS system.
  • Waterproof technology.
  • In-built flasher.
  • Accurate GPS marking system.
  • Transom and trolling motor.


  • High power with a small unit.
  • Good design.
  • Garmin reputation.
  • Budget-friendly.



If you are looking for the best affordable fish finder, then Venterior VT-FF001 is the perfect choice for you. This portable fish finder will be comfortable to handle and used to detect sand, rock, water depth, and weeds. It is ideal for finding all kinds of fishes under the water and also detects the water depth from 3 to 328 feet.

Further, it comes with a removable transducer and 25 feet cable. Also, this fish finder arrives with the 2-inch LCD display with LED backlight, hence it is ideal to find the fish even at night. 

Furthermore, this best sonar fish finder is featured with five user-selectable modes like battery save mode, fish alarm mode, backlight mode, and unit of measure. The accurate depth reading system of the device uses sonar frequency at around 200 kHz with a 45-degree beam angle to detect the water depth and locate fish. But, it doesn’t come with GPS memory.


  • Works at 0-degree temperature.
  • In-built GPS function.
  • Disposable AAA batteries.
  • The screen lights up at night.
  • LCD display with LED backlight.


  • Good for boat fishing, shore fishing, and ice fishing.
  • LED backlight for fishing at night.
  • Small and Portable.
  • Simple user interface.
  • It offers 5 different sensitivity options.
  • Worth the value.



Garmin Striker 4 with Transducer, which is the top and best fish finder under 300. This 3.5-inch CHIRP color Fishfinder comes with an in-built high sensitivity GPS. The GPS of the device locates your current position, and tracks anywhere you go on the lake. It is essentially used to find fish, mark, and return to the spots, ramps, and docks. Yes, it is one of the affordable fish finder with GPS feature.

It comes with the smooth scaling graphics, which offers continual imagery to the users. The sonar history rewind of the transducer permits you to scroll back the sonar images to your favorite waypoints via echoMAP. Further, it comes with an in-built flasher and display speed data. 

Sticker 4 Fishfinder includes CHIRP Transducer offers high-level clarity and provide detail of the fish and structure to the users. This best cheap fish finder has great tools to find the particular fish species.


  • Dual-beam transducer.
  • Trolling and transom motor mounts.
  • Tilt mount.
  • Keypad Operations.
  • Waypoint Map - used to map, view, mark, and navigate to the locations like docks and piles. 
  • Features Sonar transducer and transmit power.
  • Scanning Sonar - provides photographic images with the representation of objects and the structure of the fish.


  • High-sensitivity GPS.
  • Budget-friendly.
  • Locate fishes.
  • Traditional Transducer.



HawkEye Fishtrax 1C is another affordable fish finder under 300 dollars. This device comes with great features to find the fish in the river. This HawkEye Fish Finder arrives with the full-color and high definition VirtuView display of the device offers perfect vision clarity to the users. The auto-zoom tracking system of the devices targets your spot and zooms it for you.

This fishfinder comes with three operating modes to catch more fish. For fine-tuning of sonar reading, it offers two operating frequencies if you are under the water. In addition, the HawkEye Fish Finder contains alarms to let you find a particular kind of fish. The soft-touch interface of the device enables you to set the fish finder to locate the fish.

The protective case of the device lets you mount the unit to your boat. Apart from these, the HawkEye comes with the water-proof settings to safeguard the device. 


  • CHIRP Dual Beam Sonar.
  • Digital Flasher.
  • Intelligent FishTrax.
  • Dot Matrix VirtuView display icon.
  • Water-proof.


  • Portable and Mountable on a wide range of surfaces.
  • Intelligent Sonar with dual-beam technology.
  • Various modes for display readings.
  • High-quality waterproof technology.



Deeper Pro is one of the best down imaging fish finder which can be used for kayak and ice fishing. This fish finder is not only a portable device, but it is also a castable tool.

Unlike other fish finders, it uses the internet or Bluetooth connection through the applications with smartphones Also, it uses a WiFi connection to transmit the data. With these modern technologies, you can enjoy the great connection to locate the spot.

This versatile, castable and wireless fish finder are used to find the depth of the water, fish, location, and hot-spots with flexibility. You can cast the device up to 330ft and can scan down to 260ft underwater.

Further, the device is operated with double-beam sonar at around 90 kHz with a 55-degree wide beam and 290 kHz with a 15-degree narrow beam. Used to map some particular locations from kayak and while ice fishing. 


  • Sonar Scan in cones.
  • Surface clutter and blind zones.
  • Scrolling screen but no moving sonar.
  • Thicker lines and second sonar returns harder bottoms.
  • Spot the arches to find fish.


  • Extremely portable.
  • Uses its own Wifi signal for great dependability with increased range.
  • Free applications allow you to connect smartphones and tablets.
  • Accessible for kayak mount, smartphone mount, and much more.



Garmin echoMAP CHIRP 54cv is an upgraded version of older striker, which is the final pick in my list. It is equipped with the CHIRP sonar power for spotting the fishes underwater. This device is designed with a 5 Hz internal GPS system to trace the location of the fishes.

You can easily couple the speed of the boat with the in-built GPS system. Also, it is equipped with the HD maps which cover all the angles even at the deep of the water. The sonar and transducer of the device allow you to use 2D sonar at various frequencies. This provides clutter-free images and good capability. Entirely, it is the best fish finder with its best features.


  • Sonar rewinding and recording.
  • Clear Scanning sonar images.
  • Preloaded Bluechart g2 Chart (data graphs).
  • Quickdraw Contours to create HD maps.
  • Bottom lock.
  • Circular Flasher.


  • Dual-band Sonar with 2D and Clear image.
  • Reliable.
  • Accurate GPS function.
  • Preloaded maps.
  • User-friendly.


The fish finder offers many advantages to a fisherman. Here are some of the reasons that justify your purchase:

It will help you to locate the bait when it is difficult to find on the surface. Many times the bait can be suspended in the water column and can be located by the probe.

As technology evolves, fishing becomes much easier and more fun, even for the beginning angler. Fishfinders are getting more and more sophisticated, allowing for a more detailed image and greater precision.

Advances in technology also bring various features, such as GPS, flashing lights, custom maps, and temperature probes. Different fish finders will give you different images, so you will have to make sure that you choose the right fish finder to suit your fishing style.


With so many different models, it is normal to have doubts when buying. For this reason, we have prepared a guide with useful information to know what factors you need to consider when buying the best fish finder. Do not miss it!

These devices usually come with different types of mounts. Depending on the boat you have, you will need a model made with the most suitable materials. For the occasional angler, a plastic mount might be sufficient. Choose the one wisely.


As in many other electronic devices, the screens are very important because you can read the collected data. Color displays have become a standard on fish finders.

A color display makes it easy to read and understand the information transmitted by your transducer. You will be able to see perfectly what is happening. On the other hand, black and white displays are more difficult to read, especially in direct sunlight or cloudy weather.

When reviewing displays, it is also important to consider the resolution and number of pixels. A pixel refers to a single point on the screen. So the more pixels you can see, the more detail the screen can show.

It is good to choose at least 240 pixels x 160 pixels, although if you can afford it, it is better to buy a higher resolution screen, as it will ensure more details and sharp images.


Before choosing a particular fish finder, it is important to consider its power. Fishing in shallow water does not require as much power. But if you plan to fish in a deep water lake or saltwater, you will have to buy a finder with the highest possible power.

This is because it works by converting the sound waves from the transducer. Less power equates to slower waves, which means that the reading will not be as reliable. More power translates into much faster waves so that the reading will be more accurate.

The power of the fish finder is indicated in watts RMS. Power also plays a role in being able to see in sediment-laden water or scan at greater depths. With a 500 watt (RMS) fish finder, you should have enough power for most operations. However, other anglers may need a 1000 watt or higher sonar.


There are 2 types of sonars used in fish finders: Down Scan and Side Scan.

With the side-scan sonar, the fish finder will scan either side of your boat. It is excellent for analyzing obstacles in underwaters like stumps and pylons. You can also use this type of fish finder to track arches of fish which is not directly below your boat.

In contrast, a down scan fish sonar fish finder will scan directly below your boat in a cone shape. Thereby enabling you to track pictures of the fish/fishes beneath your kayak.

Most affordable fish finders like those mentioned in this list offer only down imaging. However, some models provide both side scan and down scan.


Water-resistance is crucial in this type of gadget. Always check the JIS / IPX ratings as they determine the level of water-resistance of a certain unit.

A device rated four will only resist splashing water, which means it won't work well as a kayak fish finder, for example. A unit with a rating of 5 or 6 can withstand jets of water.

And, with a rating of 7, the unit can be submerged in water up to 3 meters for 30 minutes. Lastly, with a rating of 8, it supports being underwater for an extended period.


A transducer is the main component of a fish finder that will send and receive the data from the sonar. In professional models, the transducers will be highly durable. Whereas in budget models, you can see only transducers made of medium-quality plastic.

Also, depending upon the type of transducer used in your fish finder, you need to install the fish finder on your kayak accordingly.

So please go through the instructions given in the user manual and do accordingly.


Although the market is full of fish finders without a good GPS, they are not the best option. The GPS allows you to download maps of the water and its underwater topography or mark waypoints for the return.

Some even allow advanced custom mapping and navigation for maximum customization. It's also good to note that fish finders may have Bluetooth and Wi-Fi connectivity and associated apps that allow you to connect to your device for ease of use.


In addition to locating fish, these devices help calculate the extent of the water, locate underwater debris, and know what is at the bottom of the water.

The graphics found on the screen of this equipment can represent a specific fish in the form of a small symbol.

In addition, when buying any tech device, it is important to ask yourself if you will be able to use it comfortably and effectively. Consider your needs because while it's nice to have all the extras, you may not be taking advantage of them.


Knowing how this equipment works will help you use it better. Fishfinders work using sonar (Sound and Range Navigation). This is a technology that uses sound waves to display underwater components.

The fish finder produces the sound wave using the transducer and then transfers it through the water. Upon diving deeper into the water, the sound wave begins to disintegrate into a cone shape. As the wave attaches to the object, it directs the indicator back to the transducer.

Basically, sonar uses sound to detect underwater objects. Active sonar in fish finders transmits sound vibrations to the water and waits for an echo. Then portray an image of what the sound has arisen, for example, a school of fish.

Frequencies can range from infrasonic, that is, very low, to ultrasonic, very high. As the sonar transmissions are displayed on the screen, a fish finder scans and allows you to see the bottom surface and any fish it encounters along the way.


Looking for the best fish finder under 300? As there are a lot of options out there, considering the best model is a bit hard for the buyers. With that in mind, I’ve covered some of the great ones in this article. Know what type finder you need and consider the features whether it suits your need or not. Once you know all the basic requirements, choose the best fit for you.

Hopefully, I’ve given you some best fish finders at a low budget for your fishing. If you want to make your fishing game a good and funny experience, go for a fish finder that has benefits of navigation and spotting the location of fish. Choose the best and improve the outcomes of your fishing trips. Good luck!

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