Best Depth Finder for Pontoon Boat (2021 Reviews)

A depth Finder is an ingenious device that determines water depth by the speed of sound in water. 

A sound impulse sent from the depth Finder to the bottom of the water. The sound wave is echoed back from the bottom by timing the journey of the signal and its echo.

The device determines the exact depth of the water. The best depth finder for a pontoon boat will have a wider depth range, such as 1.5 to 300 feet.

However, the choice of these incredible devices is huge, and not every pontoon boat knows what to look for.

So, in our top depth Finder selections, we have considered all the important design features you have been looking for.

Top Pick 

RICANK Fish Finder is our top pick. It is innovatively engineered to display water depth, water temperature, fish size, and fish group.

You can use it for lake, river, sea, and ice fishing. It also comes with durable construction with a waterproof rating of 100 feet. 

Here are Our Best Depth Finder for Pontoon Boat Reviews:

RICANK Depth Finder 

Do you like to understand the depths of the unfamiliar fishing spots you are about to explore? RICANK Depth Finder is the best tool to use. 

Key Features

  • Anti-UV LCD 
  • Highlighted LED backlight 
  • 2.5 to 300 feet depth range 
  • Water-resistant and durable 
  • Two-color lure fish lamp

This high-quality unit has an incredible fish and contour readout, which is great because it can detect and display temperature, water depth, fish size, as well, as the fish group.

You’ve got updates four times in a second for the water depth, ranging from 2.5 to 300 feet. 

This is a highly versatile unit that you can use for fishing in a river, lake, sea, and even ice.

Its water-resistant construction does effectively withstand splashing. You can also submerge it up to one hundred feet under the water. 

It comes equipped with a two-color LED for attracting fish. Sonar detection helps you locate as well as define composition, bottom contour, and structure.

The magic happens when the transducer transmits a sound wave, and then it measures the time to determine the distance. 

It is easy to use the RICANK. All you have to do is insert the sonar sensor side of the unit into the water.

Make sure the unit is vertically positioned for accurate readings.

The depth data will be automatically updated four times in a second. The unit will shut down automatically in thirty seconds if the correct depth is not obtained. 


  • The LCD has superior anti-UV protection 
  • Sonar detection gives accurate underwater depth readings 
  • The two-color LED allows you to observe the fish condition 
  • The unit is water-resistant up to one hundred feet underwater 
  • It can be used for river, lake, sea, and ocean fishing 


  • The LCD may be too small for some pontoon boat owners 


This is a great depth finder for various fishing and fishing ways. Apart from the water depth, you get to monitor temperature, fish size, and fish group. 

HawKEye DT2BX-TM In-Dash Depth Finder 

The HawKEye DT2BX-TM delivers uninterrupted, accurate depth readings that you can rely on when fishing or boating with your pontoon boat. 

Key Features 

  • Depth range of 2.5 to 200 feet
  • Adaptive software programming 
  • Air and water temperature readings 
  • Dual-depth alarms 

This depth finder is innovatively made to flush mount in the dash of your pontoon boat easily.

It has a user-friendly interface, which is great because it makes adjustments and system setup easy. 

The unit’s sensitivity and automatic range deliver uninterrupted and instant depth readings ranging from two and a half to two hundred feet.

The device automatically updates the readings four times in one second. Adaptive software programming reduces the chances of getting false depth readings.

It offers incredible water and air temperature figures to the nearest one over a tenth degree Fahrenheit.   

You’ve got dual depth alarms that do a great job of warning you of deep or shallow water conditions.

The integrated three-stage advanced warning system uses visual and audible signs for depth alarms. 

The device displays readings in metric and standard measurements.

The keel offset, on the other hand, adjusts the displayed depth readings automatically for draft requirements. 

We truly appreciate the glare-free display, considering how easy viewing is when using it under ambient light conditions.

The unit comes with interchangeable trim rings and faceplates. You get black and white faceplates and black and white trim rings.

The depth finder also comes with an installation manual and color-coded operation. 


  • It delivers instant depth readings that are updated four times in a second
  • False depth readings are minimized with adaptive software programming 
  • System setup and adjustments are quick with the easy-touch user interface
  • Deep or shallow water conditions are warned by the dual depth alarms
  • The glare-free display makes viewing easy under ambient light  


  • The customer service isn’t the most incredible 


You can always know the depth of the water while running your pontoon boat on plane with the help of HawKEye DT2BX-TM In-Dash Depth Finder. 

Vexilar LPS-1 Handheld Sonar Depth Finder

If you are the kind of pontoon boat angler who wants to know how deep the water is, then the Vexilar is for you. 

Key Features 

  • Built-in transducer
  • Depth range of 1.8 to 200 feet 
  • Waterproofness of up to 150 feet 
  • Automatic shutoff
  • Backlight display

This is a very compact and portable depth finder. It weighs roughly eleven ounces and floats on water.

It has superior waterproofness of up to one hundred and fifty feet and can be used in fresh or saltwater. 

The transducer for this depth finder is mounted directly in the front of the unit’s cylinder.

The front side is the one closest to the large firing switch.

This is the part of the unit that must contact the surface of the water to give you the depth reading you need. 

A single nine-volt battery powers the device, and it comes supplied with the depth finder. Under normal use, the battery may give you a minimum of five hundred samplings.

The low power consumption of the unit and the fact that it has an internal shut-off switch keeps you ready for action. If you need to replace the battery, simply unscrew the rear cap. 

Before you fire the unit to find the depth, you first need to make sure the front cap is submerged in water and as vertical in the water as you can make it.

Then push the large firing switch forward and hold it until the depth appears. Then go ahead and release the switch.

Remember, once you press the firing switch, a new depth reading will be established. The digital depth will display for ten seconds before automatically shutting itself off.  

You can use it to check different depths for structure while the river, lake, or ice fishing. 


  • The device is compact and extremely portable 
  • Ideal for river, lake, and ice fishing as well as scuba diving 
  • Backlit LCD improves display in low light conditions 
  • The ergonomically designed firing switch is easy to use
  • The lanyard ensures you don’t lose the unit 


  • It may fail to shoot through the ice 


The Vexilar LPS-1 is a great depth finder for summer and winter use. It delivers great results with just a press of a button. 

HawkEye DT1H Handheld Depth Finder 

If you are looking for a powerful, versatile, and durable depth finder with a wider depth range, look no further than this incredible model from HawkEye. 

Key Features

  • Depth range from 1.5 to 300 feet
  • Automatic depth range adjustment 
  • Soft glow backlit LCD 
  • Inductive switching technology 
  • Up to 200 feet waterproof

This is one of the most versatile sonar depth finders on the market. It has a wide depth range of 1.5 to 300 feet and automatic depth range adjustment. 

The unit uses advanced DepthTrax sonar technology, which is great because it emits three-hundred-watts sonar pulses for the best performance. The unit generates these pulses four times in a second.

On the other hand, algorithmic programming does a great job of eliminating false readings from appearing on the screen. 

The housing of the DT1H is made of heavy-duty ABS plastic for strength, water-resistance, rust-resistance, and corrosion-resistance.

Activating all the handheld functions is easy with the inductive switching technology.

The construction is also integrated with a dual o-ring seal that provides superior waterproofness up to 200 feet underwater. 

There is a sensor embedded in the unit for displaying water temperature readings. The temperature sensor also functions as the air temperature sensor. 

Apart from improving readability, the LED backlighting has low power consumption and does not generate condensation or heat buildup.  


  • It provides precise auto targets and depth readings 
  • The DepthTrax sonar offers superior readings even in the murkiest water 
  • The dual o-ring seal improves the unit waterproofness 
  • The LED backlighting has a low power consumption 
  • The safety lanyard prevents accidental loss 


  • It is possible to receive a defective model 
  • It may not be able to shoot through the hull 


This is a great product that you can use on a pontoon boat, shore, ice, and float tube. Just make sure you don’t receive a defective unit. 

Lucky Handheld Fish and Depth Finder 

This is a great two-in-one fish and depth finder. It is a suitable choice for sea, river, lake, shore, and ice fishing. 

Key Features 

  • Depth range of 3 to 328 feet 
  • Blue LED backlighting 
  • Two-inch anti-UV LCD 
  • Transducer sensor 
  • FT/M measurement unit 

This amazing fish and depth finder will detect as well as display water, approximated fish location, sand and rocks, and short and tall weeds at the bottom of the water.

It is ideal for different fishing environments like sea, lake, river, ice, and shore fishing. 

The unit’s detection range is in a forty-five-degree cone under the water. The depth range detection ranges from three to three hundred and twenty-eight feet below the sonar transducer.

The depth of the water can be displayed in either meters or feet. The fishing sonar sensor is attached to a removable transducer float and twenty-five feet cable. 

This small portable unit has powerful functions, including fish and fish school alarm, backlight mode, battery save mode, and five modes sensitivity options.

With all these functions, the unit is still capable of running up to five hours non-stop with brand new batteries. 

The anti-UV two-inch LCDs all the information you need, including water depth, fish depth, fish location, bottom contour detector, weed detector, sensitivity indicator, battery save on/off, fish alarm on/off, backlight on/off, and battery strength. The blue backlight improves readability in low light conditions. 


  • Have a wide depth range of 3 to 328 feet 
  • It can detect fish and fish school 
  • It gives reliable approximated fish locations and bottom contour 
  • Blue backlight improves readability in low light conditions 
  • It can be used for sea, shore, ice, kayak, and river fishing 


  • The batteries may run out faster than you had anticipated 


With this device, you can find the depth, fish, bottom contour, among other things, with ease. But the batteries may only last for about five hours when the device is used continuously. 

Things to Consider When Looking for Depth Finders for Pontoon Boats

Here are the most important things to look for in a depth finder:

Heavy-Duty Construction

Look for a unit that comes with heavy-duty construction that is highly rust and corrosion-resistant.

The material needs to have superior protection against harsh chemicals and elements. But most importantly, the construction must have superior waterproofness of at least 100 feet.

Consider a model that floats on water for easy retrieval when you accidentally drop on the water.

You can also choose a construction that comes with a hand lanyard for added security.

Depth Range

Once you have found a heavy-duty construction, the next important thing to look for is the depth range.

Always go for a unit with the widest possible range, such as 1 to 300 feet.

Such a device will allow you to explore deeper waters. Make sure the device is capable of updating the depth automatically at least four times per second.

Ease of Use

The best depth finder is one that is ergonomically designed for ease of use. The firing switch shouldn’t be difficult to operate, and the screen has to display clear readouts.

Make sure the screen has a back-lit feature for improved readability in low light conditions.

Final Thoughts

For this roundup, the winner is RICANK Depth Finder. Apart from displaying water depth, this amazing unit also displays the water temperature, fish size, and fish group.

It has a great water depth range of 2.5 to 300 feet and does a good job of updating the depth reading four times in one second.

The unit has a reliable waterproof rating of up to 100 feet, allowing you to submerge the sonar side for quick depth readings effectively.

The device also comes equipped with a two-color code lamb for luring fish. Overall, this is a highly versatile unit for lake, river, sea, and ice fishing.


Hi. I’m Alex. I have a big passion for water sport. I am a water sports athlete with ten years of experience in the field.

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