Have you ever spent hours on the water, only to come home empty-handed because you couldn’t find the fish? Many anglers think a depth finder is only for expensive bass boats, but that couldn’t be further from the truth. Adding this technology to your jon boat is the quickest way to turn a slow day into a successful fishing trip.
Choosing the right unit for a smaller boat can feel overwhelming. You have to worry about limited battery power, tight mounting spaces, and keeping your gear safe from the elements. It is easy to get lost in technical jargon or end up with a device that is too bulky for your simple setup. You need gear that fits your boat’s unique needs without breaking your budget.
In this guide, we will cut through the confusion. We explain how to pick a compact, reliable depth finder that works perfectly on a jon boat. You will learn about the best features to look for and how to install them without a headache. By the end of this post, you will feel confident choosing the perfect tool to help you navigate shallow water and track down your next big catch.
Let’s dive into the essential features you need to consider before you make your next purchase.
Top Depth Finder For Jon Boat Recommendations
- Clear Vu scanning Sonar shows you more of what is in the water around your boat; This high frequency sonar gives near photographic images with detailed representations of objects, structure and fish
- 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; Water rating IPX7
- Waypoint map: Use the way point map to easily view, mark and navigate to locations such as brush piles, stumps and docks; Maximum depth 1,600 feet freshwater, 750 feet saltwater; Current draw at 12 volt: 0.23 Ampere
- Chirp Sonar 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. Display size: 1.9 x 2.9 inches (4.9 x 7.3 centimeter); 3.5 inches diagonal (8.7 centimeter)
- HIGH-VIS IPS SCREEN: IPS Screen allows for anglers to view crisp images in the daylight, with polarized sunglasses, and at extreme angles.
- RELIABLE & EASY TO USE: New reliable twist-lock connector system for easy installation in any boat or kayak
- ENHANCED SONAR: Platform update allows portrait orientation and true-scroll sonar
- PLUG & PLAY: Simple autotuning sonar gives you the optimal settings from the start so you don’t have to spend time trying to find them yourself
- ONE YEAR WARRANTY: Our priority is to give you superior quality products and a stress-free time on the water. Enjoy the feeling of fishing with peace of mind with our one-year warranty guarantee
- Easy-to-use 7” color fishfinder with new vivid scanning sonar color palettes to easily distinguish fish and structure; tilt/swivel bailmount bracket included
- Includes a GT20 transducer for built-in Garmin CHIRP traditional sonar and CHIRP ClearVü scanning sonar
- High-sensitivity GPS to mark waypoints, create routes and view your boat’s speed
- Includes built-in Quickdraw Contours mapping
- Wi-Fi connectivity allows you to connect to the ActiveCaptain app with compatible smartphone to transfer waypoints, receive smart notifications (including software update notifications) and access the Garmin Quickdraw Community
- Includes transducer for built-in Garmin CHIRP traditional sonar plus CHIRP clearer scanning sonar
- Built-in Garmin quickdraw contours mapping software lets you create and store maps with 1’ contours for up to 2 million acres
- Built-in GPS lets you mark waypoints, create routes and view boat’s speed
- Bright, Sunlight-readable 5” display and intuitive user interface
- Rugged design for every fishing environment
- FISHREVEAL: Fish are easier to find and easier to identify. FishReveal combines the target separation of Lowrance CHIRP sonar and the high-resolution images of structure from DownScan Imaging to makes fish light up on your display.
- HIGH-DETAIL INLAND MAPS: Get high-detail maps of almost 4,000 US inland lakes. Create custom contour maps with even greater detail over any map or GPS plotter with Genesis Live, so you can get onto the fish faster.
- SPLITSHOT TRANSDUCER: Perfect for anglers who want the best views below the boat, SplitShot features the fish-finding capability of wide-angle high CHIRP sonar and the high-resolution images of fish-holding structure from DownScan Imaging.
- AUTOTUNING SONAR: Spend more time fishing and less time reworking your sonar settings with HOOK Reveal autotuning sonar, which ensures you get the best sonar image every time by automatically adjusting settings as fishing conditions change.
- 5-INCH DISPLAY: Enjoy crisp and clear views of your display no matter the conditions – even in direct sunlight – with excellent clarity and daylight visibility of HOOK Reveal’s SolarMAX display.
- Includes dual-beam transducer with Garmin Chirp traditional sonar for crystal-clear images and remarkable target separation.Control Method:Touch.Special Feature:Bluetooth.
- Built-in Garmin quickdraw contours mapping software lets you create and store maps with 1’ contours for up to 2 million acres
- Built-in GPS lets you mark waypoints, create routes and view boat’s speed
- Bright, Sunlight-readable 4.3” display and intuitive user interface
- Rugged design for every fishing environment. Frequencies supported: Traditional: 50/77/83/200 kHz, Transmit power: 200 W (RMS)
- HIGH-VIS IPS SCREEN: IPS Screen allows for anglers to view crisp images in the daylight, with polarized sunglasses, and at extreme angles
- RELIABLE & EASY TO USE: New reliable twist-lock connector system for easy installation in any boat or kayak
- ENHANCED SONAR: Newly designed SplitShot HD with improved clarity, range and performance, along with FishReveal on Downscan and Chirp for improved fish finding capabilities and making it easier than ever before to interpret and see the fish from the weeds
- PLUG & PLAY: Simple autotuning sonar and pre-loaded high-resolution detail of C-MAP inland charts for the U.S offers coverage of over 17,000+ American Lakes, plus with coastal charting bundles options and the ability to create custom ½-foot contour maps of your local lake or uncharted water – in real time - with Genesis Live, you have all the detail you need to DISCOVER the best fishing spots, faster
- ONE YEAR WARRANTY: Our priority is to give you superior quality products and a stress-free time on the water. Enjoy the feeling of fishing with peace of mind with our one-year warranty guarantee
- Delivers uninterrupted depth readings from 2.5 to 600 feet on the largest display available on an In-Dash Depth Sounder up to 60 mph. Transducer Frequency-200 kHz
- Includes Dual Mount Transom Or Glue In Transducer That Can Shoot Through solid fiberglass hulls and up to 1/8-inch aluminum hulls
- 3-stage Advanced Warning System clearly signals an alarm condition with an audible alarm, an ultra bright red LED warning light and LCD alarm indicators
- No glare, polarized LCD icon display with storage sun cover allows for spot free viewing with or without sunglasses; Algorithmic programming significantly reduces false readings and produces unmatched precision
- Glue-In Installation is for NON-CORED fiberglass hulls or aluminum hulls thinner than 1/8” ONLY. Glue-in mounting of the transducer is NOT suitable for all vessels.
The Ultimate Guide to Choosing a Depth Finder for Your Jon Boat
A depth finder is a game-changer for any Jon boat owner. Whether you are fishing in shallow rivers or tracking deep drop-offs, these devices help you see what lies beneath the surface. Because Jon boats are often smaller and have limited space, choosing the right unit requires careful planning.
1. Key Features to Look For
When shopping, look for a screen that you can read in bright sunlight. A 4 to 7-inch display is perfect for the smaller console of a Jon boat. You should also prioritize “Dual Beam” sonar. This feature allows you to see a wide area under the boat and a narrow, detailed view directly below. GPS capability is another must-have. It lets you mark your favorite fishing spots so you can return to them easily.
2. Important Materials and Durability
Since Jon boats are often used in rough, rocky conditions, your gear must be tough. Look for a unit with an IPX7 waterproof rating. This means the device can handle splashes and even brief submersion. The mounting hardware should be made of stainless steel or high-grade marine plastic to prevent rust. Check that the transducer—the part that sits in the water—is made of impact-resistant plastic to protect it from hitting logs or rocks.
3. Factors That Improve or Reduce Quality
High-quality units use high-frequency sonar to provide clear images. Cheaper models often have “noise” or blurry images on the screen. Another factor is the power output. Higher wattage helps the signal penetrate deeper water and show clearer bottom details. Avoid units that require complicated wiring if you prefer a simple setup. A portable model with a battery pack often works better for Jon boats because it does not require permanent installation.
4. User Experience and Use Cases
Jon boat owners usually want simplicity. If you fish in small creeks, a portable “clamp-on” transducer is your best choice. It attaches to the transom without the need for drilling holes. If you fish in larger lakes, a permanent mount provides a more stable reading while moving at higher speeds. Think about your main goal: are you hunting for structure, or are you just trying to avoid hitting the bottom in shallow water?
10 Frequently Asked Questions
Q: Do I need a professional to install a depth finder?
A: Most Jon boat owners install their own units. Portable models require no tools, while permanent mounts only need a drill and some basic wiring skills.
Q: Can I use a depth finder in very shallow water?
A: Yes. Many modern units have a “shallow water alarm” that beeps when the water depth drops below a certain level.
Q: Does the screen need to be color?
A: Color screens are much easier to read in direct sunlight. They also make it easier to distinguish between fish and the bottom.
Q: How do I power the unit on a Jon boat?
A: You can connect it to a small 12-volt battery or use a portable battery pack designed for fish finders.
Q: Is GPS necessary?
A: It is not required, but it is highly recommended. It helps you navigate back to the boat ramp in low light.
Q: What is a transducer?
A: The transducer is the sensor that sends sound waves into the water and receives the echoes back.
Q: Can I use a depth finder while the boat is moving?
A: Yes, but the quality of the image depends on how well the transducer is mounted to the boat’s transom.
Q: Are depth finders waterproof?
A: Most marine-grade units are built to withstand rain and spray. Always check the IPX rating before buying.
Q: Will the depth finder scare the fish?
A: No. The sound waves are at a frequency that fish cannot detect or be bothered by.
Q: How big of a screen do I need?
A: A 5-inch screen is the “sweet spot” for most Jon boats. It is large enough to see details but small enough to fit on a narrow bench seat.