Best Portable Fish Finder – 2021 Buying Guide & Reviews

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Portable fish finders are ideal for use in areas where you can’t mount your boat permanently and it is also the right device to take you to places where everyday fish hunters won’t go to.

It is also considered today as the best solution for fishing from shore, going on trips and mounting on small-sized boats but most people find it difficult to make the right choice when it comes down to owning one.

Whether you fish from canoes, kayaks, piers, shore or float tubes, bear it in mind that there is a fish finder specially designed for you and we urge you to take a walk with us as we show you the best models which would work well in any fishing conditions.

5. iBobber Wireless Bluetooth Smart Fish Finder for iOS and Android devices

iBobber Wireless Bluetooth Smart Fish Finder for iOS and Android devices

When it comes to finding where fishes are you can rely on the iBobber wireless Bluetooth fish finder to get the job done and it was designed bearing flexibility and portability so that every angler would find them very easy and convenient to make use of and take them along on their fishing trips.

With this iBobber fish finder device, you can easily map depth contours, mark fishes, save water temperature, location, weather and also view underwater structures.

When it comes to fishing from docks and shores, this quality fish finder device is all you need and it is also ideal for canoe, raft or kayak fishing and it can also be used in freshwater and saltwater.


  1. Syncs perfectly with phones and it is very easy to make use of
  2. Well designed to find and capture fresh game
  3. Works exceedingly well even during night time fishing
  4. Long and durable battery life


  1. Takes time to connect once it gets dipped inside water

4. Venterior Portable Fish Finder, Water Depth & Temperature 

Venterior Portable Fish Finder, Water Depth & Temperature Fishfinder with Wired Sonar Sensor Transducer and LCD DisplayOne of the benefits that come with using the Venterior portable fish finder is it helps in selecting the depth of water and location of fish for fishermen and it can be used in either a sea, lake or river.

It is also very important to note that this fish finder would turn off automatically when it reads for up to five minutes while its transmitter boasts of a waterproof design but its receiver isn’t waterproof so it shouldn’t be submerged inside the water.

Other vital use of this quality fishfinder includes detecting short or tall weeds, rocks, sand and many more and it can also be used ice fishing, on a boat or fishing off the dock.


  1. Its small size is ideal and it is also designed to work and live up to users expectation
  2. Designed to show you where fishes are
  3. Can also be used a depth gauge and checking water temperature
  4. Great customer care service


  1. Doesn’t work when it gets wet
  2. Poor battery life

3. Venterior Portable Fish Finder, Fishfinder with Wired Sonar Sensor

Venterior Portable Fish Finder, Fishfinder with Wired Sonar Sensor Transducer and LCD Display

Thanks to its LCD display, you can now read data and view images clearly and this Venterior portable fish finder with Sonar Sensor Transducer works effectively when it comes to detecting and displaying rocks, sand, tall and short weed, fish location and depth of water.

However this fish finder can be used in ice fishing, on a boat, fishing off the dock and it can also be applied to sea, river, lake and other fishing environments.

Its neck strap design allows you to wear them around the neck for easy accessibility while it’s easy to read and understand the instructional manual also helps to show you how it is used in order to simplify operation.


  1. Works great even on ice and it is ideal for obtaining depth feature information and fish location
  2. Ensures your desired fish gets caught
  3. Great design and it works as advertised


  1. Doesn’t work very accurate when it comes to finding fish
  2. Isn’t a waterproof design so it tends to get damaged when it comes in contact with water
  3. Poor battery life

2. Deeper Smart Sonar PRO+ – GPS Portable Wireless Wi-Fi Fish

Deeper Smart Sonar PRO+ - GPS Portable Wireless Wi-Fi Fish Finder for Shore and Ice Fishing

Highly recommended for every fisherman out there, this top-rated fish finder works effectively when it comes to detecting tall and short weeds, fish location, water depth, rocks, sand and more and it can be applied to sea, river, lake and any other fishing environment.

One impressive feature of this quality fish finder is its wired sonar sensor which works effectively in detecting and identifying objects inside water.

One advantage this device has over other devices available today is its ability to detect where fishes are no matter the amount of mud, heavy silt or how dirty the water is while its sonar signal is strong enough to travel through the air and not through water.


  1. The transducer works perfectly well
  2. Recommended for use with any kayak
  3. Delivers accurate results when it comes to giving water temperature and water depth information
  4. Portable design makes it very easy to pack

1. Garmin Striker 4 Bbuilt-in GPS Fish Finder

Garmin Striker 4 Bbuilt-in GPS Fish FinderOne impressive feature of the Garmin striker 4 built-in GPS fish finder is its CHIRP SONAR technology which is designed to send continuous frequency sweep in order to obtain a wider range of information.

It also works effectively in generating better fish arches together with outstanding target separation.

This device is quite easy to install and also very easy to make use of and its primary aim is to show you what occupies the water surrounding you as it is well designed to offer you images of fish, structures and objects.

The Garmin striker built-in GPS fish finder is also well designed for vertical jigging and ice fishing while its in-built flasher allows you view sonar data in a classic and impressive fisher format.


  1. Easy to set up and easy to install
  2. Top performance and great value product
  3. It is also considered as an upgrade or great addition to any aluminum boat
  4. Works well in helping to find fish


  1. Doesn’t function as expected or lives up to the user’s expectation

Conclusion – What You Should Know

We hope that you would get the best advice on the right type of fish finder for you after reading through this review and whether you would be fishing from a kayak, in ice holes or even from a shore be rest assured that the devices listed in this review will be very useful and work excellently well so feel free to go for any of the models listed above.

Bestseller No. 1
LUCKY Portable Fish Finder Handheld Kayak Fish Finders Wired Fish Depth Finder Sonar Sensor...
  • ☀ The portable fish finder, with updated 2.4inch TFT color LCD screen(more clear to display), can detect and display underwater contour, water depth, water temperature and fish size(big/middle/small) and fish depth. It has two user modes: TRANSDUCER/SIMULATION. Try all functions in simulation mode and go fishing in transducer mode.
  • ☀ Lucky fish finder portable provides you 26FT wired operating distance and 328FT depth detection. Kayak fish finders has 45° beam angle with 200Khz in detection.
  • ☀ The fish finder portable is rechargeable. Come with USB cable for charging. The fish depth finder can work continuously about 5 hours with full charge. The brightness of the display can be adjusted. Read the data either at night or in the sunlight easily.
  • ☀ Various features settings: Lucky portable fish finder is with updated underwater contour display(3 kinds of display. You can choose, more clear and professional). Also, set up sensitivity, screen brightness, depth range, zoom, depth alarm, fish alarm, fish icon, units(FT/M ℃/℉)alter and language by yourself.
  • ☀ Go fishing with the fish depth finder in different ways, such as ice fishing, river fishing, sea fishing, shore fishing, kayak fishing, etc. The bracket allows you to attach the sensor transducer to your boat or kayak.
Bestseller No. 2
Garmin Striker 4 with Portable Kit
  • The power of simple - offers a keyed interface with dedicated buttons. The device is easy to use and easy to install. Available in 3.5-, 5- and 7-inch display sizes.
  • Waypoint map - use the waypoint map to easily view, mark and navigate to locations such as brush piles, stumps and docks.
  • Chirp sonar - chirp sends a continuous sweep of frequencies which provides a wider range of information. Chirp sonar is able to create crisper fish arches with better target separation.
  • Built-in flasher - view your sonar data in the classic flasher format; Ideal for ice fishing or vertical jigging.
Bestseller No. 3
Deeper START Smart Fish Finder – Castable Wireless Wi-Fi Sonar Fish Detector
  • PORTABLE: Castable fish detector. Lightweight for comfortable casting, sleek design for easy reeling. No wires or external batteries required. Great for family trips, fishing with mates or casual anglers.
  • SMART TECHNOLOGY: Generates its own Wi-Fi. No mobile data or internet required. Automatic night fishing mode. Every scan is automatically saved with time and location.
  • EASY TO USE: Fish finder displays fish location and size, water depth, bottom contour and vegetation using the Fish Deeper app. The app is free to download and works with both iOS and Android devices.
  • GREAT SPECS: Casts out to 165ft and scans down to 165ft with 40° sonar beam for accuracy and coverage. Every scan is automatically saved with time and location.
  • RECHARGABLE BATTERY: 6 hour battery life with 2.5 hour recharge.
Bestseller No. 4
LUCKY Portable Sonar Fish Finder Boat Depth Fishing Fish Finders Waterproof Handheld Wireless...
  • Waterproof : The sonar fish finder is waterproof in rains. No need to worry the splashes makes the display damaged any more. Even though the sonar fish finder dropped into the river or lake, the fish finder portable would be floating on the water surface. You just need to put the wireless fish finder in open air after fishing to avoid water vapor generated inside display because of temperature differences.
  • Wireless & Castable : The sonar transducer supports max 328ft wireless operation and max 147ft water depth detection. The sonar ball is lightweight and compact and you don’t need long heavy cable anymore. Moreover, there is a small hole on the sonar transducer so that you can tether with your fishing line and cast it onto water easily.
  • Water Depth & Data Display : The sonar fish finder displays water depth, fish approximate location, fish size (small,middle,big), water temperature, bottom contour and so on. Besides that, you can also choose a particular underwater area on the display to learn each data more accurately. The measurement unit can be freely switched in FT/M and ℉/℃.
  • Sonar Transducer with Attractive Lamp : The sonar transducer works with 125Khz in a 90 degrees beam angle. The wireless fish finder will alerts when the sonar ball detects fish or fish schools. Even more, you will get alarm when it detects shallows. You can put the replacement transparent cap on the sonar ball which will be glowing in the dark, so you will easy to know where the sonar ball is when night fishing.
  • Ideal for Fishing : LUCKY sonar fish finder is widely applied in ice fishing, kayak fishing, boat fishing and bank fishing. The wireless fish finder can be working for 5~6 hours continuously after fully charged. Once the battery save mode is turned on, and it could be working even longer than 10 hours.
Bestseller No. 5
LUCKY Kayak Portable Fish Depth Finder Water Handheld Fish Finder Sonar Castable Kayak Boat...
  • ✦ Fish Finder and Depth Finder : It is a portable fish finder that could display approximate fish location and water depth. The sonar transducer can be attached to the hull of kayak or boat in order to understand the changing of water depth when you are moving by. The water depth detection range is between 3ft(1m) and 328ft (100m) when the transducer is completely immersed in the water.
  • ✦ Helpful Data Display : Besides fish depth and water depth, the handheld fish finder will also display short & tall weeds, sand & rocks on the bottom. Meanwhile, the measurement unit of the depth can be freely switched by feet or meter. The display is also visible in sunshine or darkness by turning on the back light.
  • ✦ Handheld & Portable : The size of kayak fishfinder is designed for just one hand held. You will find a neck strap in the package which allows you to wear it around neck when you are busy on the kayak or boat. Meanwhile, 5 levels sensitivity adjustment makes fishing possible both in clear water or turbid.
  • ✦ Fish & Fish Schools Alarm : Once the toss fish finder transducer into the water and turn on the display unit, you will get alarms when fish or fishing schools passing by. The portable fish finder can be working continuously for at least 4-5 hours with brand new battery. It can be working even longer by turning on battery save mode.
  • ✦ Ideal for Fishing & Fishing Gift : It is easy to use LUCKY depth finder in boat fishing, ice fishing, shore fishing no matter in freshwater or in saltwater. If you are looking for a gift for your husband, father, friends or any anglers, then look no further, the LUCKY fish finder is now better than ever. 

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