Fishing from a kayak or other small vessel can sometimes mean that permanently mounted fish finders aren’t used. Having a portable fish finder to be able to tell metrics about the water can give you so much of an advantage when fishing but only when you choose one of the best portable fish finder for your needs. This is one product that can vary widely in prices and quality and just because a unit is expensive doesn’t mean it works better which we’ve found out with our review of the best portable fish finder below.

Here Are Our Top 4 Picks for Best Portable Fish Finders

Venterior Portable Fish Finder

FishHunter PRO

Humminbird 410060-1 Fishin’ Buddy MAX DI Fishfinder

Deeper Smart Sonar PRO+

Venterior Portable Fish Finder FishHunter PRO Humminbird 410060-1 Fishin' Buddy MAX DI Fishfinder Deeper Smart Sonar PRO+
Our Rating: Our Rating:  Our Rating: Our Rating:
Excellent Beginner Fish Finder Works on WiFi Rather Than BlueTooth All in One Unit Easy to Use
Small and Lightweight Up to 150 foot range Replaceable Batteries Compact and Lightweight
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What Can The Best Portable Fish Finder Be Used Best For?

Having the ability to determine water temperature, depth, and even determine if fish are available in the area you’re looking at can give you a huge advantage. Unfortunately, for some fishermen, the type of fishing vessel they use doesn’t really allow for the installation of a permanent fish finder, or at least it wouldn’t be feasible. Here are some of the applications where you may need a portable fish finder.

Using a Kayak for Fishing

One of the more popular methods of fishing today on smaller vessels is to use a kayak. Kayaks are being utilized more and more for fishing and unfortunately, on most of these crafts there just isn’t room for a fish finder mount. Luckily with the list of the best portable fish finder you can enjoy the benefits of having a fish finder without having to permanently mount it on your kayak.

Most kayaks are usually already loaded when fishing so adding batteries and bulky mounting equipment can really make you uncomfortable and cause the kayak to ride deeper in the water meaning that it will be more difficult to maneuver and power. Having a portable fish finder can cut down on a lot of weight and space, plus, you’re able to remove it when you’re just out with the kayak and not fishing.

Using a Portable Fish Finder on Small Boats

Much like a kayak, there is usually not much room for lots of mounting gear, full size batteries, and display. All of these items adds weight and can be a bit cumbersome to get around in a smaller boat. Most portable fish finders are very small and can be moved about the boat to give you a better overall experience with the fishing trip.

Planning on Renting a Boat

A popular trend now for many fishermen is to rent a boat for their trip. This can have some advantages but many times electronics such as fish finders are not included on the rented boat. Of course, you can’t mount anything yourself on the boat but you can take along a portable fish finder that can help you locate the fish and have an awesome day fishing.

Venterior Portable Fish Finder

Venterior Portable Fish FinderOne of the reasons why we think that the Venterior is one of the best portable fish finders is because of the price. It offers a great way for anyone who isn’t accustomed to using a fish finder a way to determine if it’s something they really want to use. The price of this unit is lower and allows you to ‘test’ the waters before using more expensive models. And although the unit is very economical it does provide a great experience for you.

Fish Finder ImageThis unit can do almost everything the higher priced models can do. The unit will be able to detect the depth of the water and also give the temperature of the water in Fahrenheit or Celsius. The transducer (sensing unit) is connected by a wire with a cable that is 25 feet long which seems like a bit of overkill but works well either using a mounting device or simply floating it around the boat. This unit also comes with a float attachment that can be used on the transducer.

One of the best features of this unit is that it offers great battery life. The unit can be powered by the same batteries for a complete day of fishing plus it has a battery save mode that can make it go even longer. It also has a power off function when the reading is blank for more than 5 minutes which can also save battery life.

All in all this  is a great portable fish finder that is very inexpensive and provides excellent value for the price. Sure there are more expensive models that offer more but for the price, this is one of the best portable fish finders on the market today.

Advantages of Venterior Portable Fish Finder

  • Inexpensive
  • Lightweight and compact
  • Longer cable for mounting almost anywhere
  • Included float for transducer

Disadvantages of Venterior Portable Fish Finder

  • Small Basic Display
  • Display unit not water proof

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FishHunter PRO

FishHunter PRO

A portable fish finder like the FishHunter Pro is a great piece of technology that is easy to use and very powerful. The unit works on Wi-Fi rather than Bluetooth which many other castable fish finders work on. This means that it’s fast at getting data back to you so you can better map the area you are fishing.

FishHunter PRO, The World’s Fastest Wireless Portable Fish FinderIf you’re not fishing from a boat this makes an excellent way to enjoy the benefits from a fish finder even from the shore or a pier or dock. Since it’s a castable fish finder you can map out areas without the need to be on top of the area such as with traditional fish finders.

The battery life of this unit is great with up to 10 hours on a single charge. Plus, unlike some units the batteries are rechargeable which means you won’t need to continually replace the batteries each time you want to go fishing. The biggest problem with battery was not the unit itself but the smart phone battery going dead rather than the unit itself.



Advantages of FishHunter PRO

  • There are no wires to deal with making it super easy to use
  • Can be dragged behind your kayak or boat
  • Fast Wi-Fi connection gives faster data sets to you
  • High resolution and precise
  • Range of 150 feet

Disadvantages of FishHunter PRO

  • Must have a compatible smart phone or tablet.

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Humminbird 410060-1 Fishin’ Buddy MAX DI Fishfinder

Humminbird 410060-1 Fishin' Buddy MAX DI Fishfinder

Humminbird has always been one of the best names when it comes to fish finders. With their portable Fishin’ Buddy models they continue that trend. This all in one unit clamps directly to the side of your boat, kayak, or even floating tube. There are no wires to contend with and the power source is 8 AA batteries. This can be advantageous because it allows you to change out the batteries if needed without the need to recharge batteries. Using rechargeable batteries is advised with this unit.

If you’re looking for a color display with down imaging then this Hummingbird model is for you. Although the display is rather small at only 3.5 inch it does have great graphics that can display information well. There is also a back light to help during cloudy conditions.

Advantages of the Humminbird 410060-1 Fishin’ Buddy Max DI Fish Finder

  • Easily mounts on almost any craft
  • Interchangeable batteries so your fishing continues even if the first round of batteries dies
  • All in one unit without wires
  • Lightweight at only 6.6 pounds
  • Color display (256 color)

Disadvantages of the Humminbird 410060-1 Fishin’ Buddy Max DI Fish Finder

  • Battery life not optimal
  • View not as wide as other models

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Deeper Smart Sonar PRO+

Deeper Smart Sonar PRO+

This is one of the best portable fish finders on the market today for several reasons. The Deeper Smart Sonar Pro connects to your smart phone or tablet using a Wi-Fi connection. While this may not seem like a big feature when compared to Bluetooth connected devices it can really make a difference. The speed at which data is delivered to your device is dramatically increased and in real time. So where the float is located is the scan you’re looking at, not seconds ago. The display on the smart phone is incredibly detailed with the bottom display featuring many details including weeds, debris, and more.

Real Time Mapping on the Best Portable Fish FinderLike many castable fish finders it connects to a rod so that you can throw it farther. It can pick up at a distance of 330 feet and provides fast, detailed images of the water. It’s also great for ice fishing and shore fishing. This fish finder comes complete with every thing you need to start finding the fish. Simply add the app to your smart phone or tablet and you’re set. It has a rechargeable float so you get hours of fishing time on a single charge.

Advantages of the Deeper Smart Sonar PRO+

  • Connects with Wi-Fi
  • Distance of 330 feet gives very large area of scan
  • Castable with rod
  • Rechargeable battery
  • Very fun and interesting to use

Disadvantages of the Deeper Smart Sonar PRO+

  • Casting longer the color is sometimes harder to recognize where the unit is

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General Advantages of Using Portable Fish Finders

  • Affordability in General. Since most permanent mount fish finders are hundreds or even thousands of dollars, portable fish finders can give everyone a chance to use these electronics.
  • Flexibility. The fish finder that you use can be easily moved from one craft to another and some used on piers or even beaches. This sort of flexibility can give the unit many more uses.
  • They are Easy to Use. Since people aren’t required to mount portable fish finders most are a simple setup systems and use.
  • Transducer flexibility. One of the problems of many permanent mount fish finders is running cable and finding a place to mount the sensing unit or transducer. With these best portable fish finders you have lots of flexibility on where are how the unit is mounted if you decide to mount it somewhere. Or course, some do not need any sort of mounting.

Mounting a Portable Fish Finder on a Small Boat or Kayak

People who fish from kayaks and small boats are the most likely to buy a portable fish finder. They are lightweight and don’t require any special mounting skills or hardware to make them work. I decided to include this resource in the best portable fish finder article simply because I think it will certainly help clear up any confusion about how to use the portable fish finder in this setting.

Cast or Pull Behind Fish Finders

Mounting the fish finder is more about mounting the transducer for the fish finder since that is the part that will need to be touching the water. In this best portable fish finder article I included several different models which have different transducers on them. The Fish Hunter Pro and Deep Smart Sonar are both drag behind or cast transducers. Which means you can just drag it behind your craft.

Other models of transducers may have a small unit that needs to be added to the craft. Typically, most portable fish finders will have a suction cup style fitting that simply sticks onto the side of the craft. Most kayaks will have a smooth finish that this suction cup can stick to easily. But some smaller boats especially if made from wood don’t have this smooth surface and the suction cup may not stick well which can be a problem.

All in One Units

Mounting the Humminbird Fishing Buddy is a bit easier as you simply attach it to a lip or side of your boat. This allows the transducer to dip into the water as needed. You can still see the display on the fish finder. This versatility is one thing that gives the Humminbird such high marks.

There are several mounting brackets that are available to help with the installation of the transducer and the display unit. You may also need to include waterproof cases for some units. Especially those that work with smart phones and tablets.

The Bottom Line

When it comes to getting the best outcome for your fishing trip having a fish finder can certainly help. It can shave hours of time off location of the fish and if you are going fishing then having a fish finder on your craft will save loads of time. Portable fish finders are a way to get the technology of a fish finder on your side even when it’s not mounted on your boat. Any one of the portable fish finders we’ve reviewed above are a good fit and each have their own strengths and weaknesses. However, having any sort of fish finder is better than none. They truly do make that much of a difference.


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