Best Fish Finders For Small Boats 2020

Looking for a way to help you improve your fishing experience and get a big catch?

Don’t worry at all as a good top best fish finders for small boats will help you do all of this as well as help you find the easiest way to know where the fish are in the water.

If you really want to benefit from the market of fishing then purchasing the best fish finder for small boat will be a great idea.



Fishfinders help you view what’s beneath the boat so it becomes easy for you to know exactly where to cast your line.

If you’re trying to find a suitable fish finder for your kayak which is a perfect fit for your boat as well as portable and affordable, then you’ve come to the right place.

In order to save your time, we’ve gathered all the relevant information which will prove to be very useful when looking for a good best portable fish finder for the small boats to purchase.

Have you ever wondered about the components that are crucial in order to find a good best small boat GPS fish finder for your kayak?

Well we’ll let you know about the 3 components that are important in a fish finder, the first one is the display such as the screen and the buttons whereas second and a really important one is the transducer which sends signals into the water and after receiving those signals translates into the images on the display.

Last but not least, the power source, which is a standard 12V marine battery on a regular boat.


Moreover the important things to consider should be that the display shouldn’t be larger than 5-6 inches as it will too heavy and trickier to mount.


Discussing transducers it could be mounted inside the hull or run through a pipe through the scupper hole.


Furthermore a standard marine battery put in a waterproof box is extremely important but even a portable fish finder with a waterproof battery built-in will do.

Here’s a list of the fish finders that stood out and ended up on our list of best fish finders for a small boat:


1. Garmin Striker 4 With Transducer



This fish finder will help you see what’s beneath and around the boat.

It has a high-frequency sonar for photographic and detailed images.

This device is easy for beginners to use and a simple keyed interface allows simplicity.

It’s available in 3.5-, 5- and 7-inch display sizes and is really easy to install.

Furthermore, it has an IPX7 water rating and a color display along with a built-in flasher for ice-fishing and vertical jigging.

As if all of this wasn’t enough the CHIRP sonar helps send frequencies for information.

Coming in different sizes is a bonus as well as being portable and extremely easy to carry.


The waypoint map helps to view, mark and navigate to locations.

In spite of all the pros there is one drawback regarding the GPS as it is a little difficult to figure out, so if you are looking for a little friend for your small boat which is affordable as well as has every feature that you could ever ask for, then this fish finder is perfect!


  • Large display of 4.3 inches
  • Includes GPS navigation system
  • Garmin Quickdraw Contours Mapping
  • Made from rugged materials making it usable in every condition
  • Built-in dual beam transducer for high definition images
  • There is no cover included with the package
  • Doesn’t come with an NMEA port



2. Deeper Smart Sonar Pro 




A pretty cool fish finder that works directly with your smartphone and helps transmit all of the data collected from the water.

It is extremely easy to use as it connects to the smartphone to figure out what’s beneath the water and instead of a fish finder screen, your phone is used to show you what’s happening which is super convenient and who wouldn’t want that right?

In an era where phones are used to even operate businesses this fish finder proves to be really handy. It is affordable and comes with a small, ultra-light.


What if I told you that there are tons of benefits that you’ll enjoy if you purchase this for your small boat such as a smartphone as your screen.

It syncs with your phone/tablet very easily as it has rock-solid connectivity and even the internet isn’t needed. Not only this, but it even includes an inbuilt GPS enables to create bathymetric maps from the shore.


Furthermore, it has 330 feet casting range and 260 feet of scanning depth. And how could you miss out on the highest spec castable sonar which casts further as well as scans deeper. Isn’t it a great deal?

I’ll leave it to you to decide. The unit and the device could be used anywhere as long as the unit and the device is charged!

  • Compatible with any smartphones or tablets running iOS 8.0 or later and Android 4.0 or later
  • It comes with a downloadable app. The app has other interesting features too like a solunar forecast calendar, fish notes, and weather predictions.

  • Wider connectivity coverage.

  • It weighs only 3.5 ounces with a 2.5 inches diameter. It is ideal for hole hopping.

  • Has a Boat Mode feature. This allows you to download free online maps.

  • A fast scanning rate of 15 scans per seconds

  • Has an ice fishing flasher. This lets you assess the water column beneath your hole.

  • Suits all styles of fishing (shore, ice, boat, kayak)

  • Operates on both freshwater and saltwater

  • Three color displays are available

  • History mode lets you review every scan and map you made

  • You can experience some interferences when others are using sonar in close proximity
  • Does not work well in rough water

  • You risk your smartphone from dropping into the water



3. Lucky Handheld Fish Finder




Brace yourselves, as I’m about to bring a device that’s portable as well as suitable for various fishing environments such as lakes, ice, shore, and sea fishing.

Furthermore, it’s relatively small and would work perfectly even in small boats. It selects and shows water depth along with an approximate fish location. It even includes 5 sensitivity options, definitely a bonus!


A depth range is from 3 feet to 328 feet below the fishing solar transducer. What’s more? You can even choose the info shown in meters and feet according to your preferences.

It could work in any environment be it lakes, shores as well as sea fishing.

If you’re looking for a device with benefits like being portable, a battery saves mode as well as super convenient for the smallest of boats than look no further as it will prove to be the best option.


However, like every other product in this world, it also comes with a set of pros as well as cons therefore the only con is that the handheld is not waterproof.

  • Cheap
  • Quick setup

  • Simple to use

  • Limited features and settings
  • Some accuracy problems




4. Humminbird PiranhaMAX



And if we’re discussing the best fish finders for small boats, how can we not discuss one of the best ones.

It certainly wouldn’t be fair if we miss this one.

Due to many reasons, it’s considered the best, firstly the wireless sensor turns on automatically while in contact with water and sends information back to the monitor which is suitable for everyone, how cool is that?

Every little detail such as location, fish size, water depth as well temperature is displayed on the handheld monitor.

Furthermore, the sonar detection depth goes up to 147th while wireless connection ranges up to 328th feet.


Purchasing this unit won’t even give you even a single chance to regret your decision as it has all the advantages one could ever ask for, an LED backlight, a waterproof sensor as well as provides high accuracy but it’s going to be a little hard to read in direct sunlight.


  • Two sonars
  • XNT 9 DI T transducer
  • 2D sonar reaches up to 600ft
  • Easy to use
  • Budget-friendly
  • Portable
  • No software upgrades
  • No DualBeam Plus
  • No unit cover


Final Thought

In my opinion, I would recommend these fish finders which prove to stand out on the basis of features as well as efficiency, therefore, investing in these fish finders for your kayaks or small boats would be a really great idea and definitely worth your fishing time.

Choose the one which suits your needs the best! Happy fishing!

Leave a Reply