Best Deeper Fish Finders in 2026

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

ACTIVE IMAGING 3-IN-1: See structure and cover with a new level of refined detail with the included Active Imaging 3-in-1 sonar, featuring CHIRP, SideScan and DownScan with FishReveal.

ACTIVETARGET READY: See high-resolution images of fish swimming around structure and responding to your lure – as it happens – with support for ActiveTarget Live Sonar.

FULL NETWORKING: Build the complete Elite Fishing System with integrated wireless, NMEA 2000 and Ethernet connectivity – add Halo Dome Radar, Outboard Pilot or share sonar, charting, waypoints, and other user data between displays.

HIGH SPECS AND ROCK SOLID CONNECTIVITY: Casts out up to 330ft and scans down to 260ft. Precise 0.5in target separation. Compatible with iOS and Android devices. Syncs to phone/tablet using its own Wi-Fi (like a hotspot). No internet or cellular data needed.

BUILT-IN GPS: Create bathymetric maps from the bank, boat, canoe, kayak. Access all your scans, maps, points of interests, photos and notes on the Fish Deeper app and web platform.

REAL-TIME DATA: Two beam frequencies with 15 scans per second. View depth, see bottom structure and consistency, vegetation and fish.

HIGH SPECS: Casts out up to 330ft and scans down to 260ft. Precise 2.5cm target separation. Compatible with iOS and Android devices.

REAL-TIME DATA: Two beam frequencies with 15 scans per second. View depth, see bottom structure and consistency, vegetation and fish.

GPS MAPPING: Create bathymetric maps from the boat, canoe, kayak. Access all your scans, maps, points of interests, photos and notes on the Fish Deeper app and web platform.

EASY TO USE: The Lowrance HOOK2 4x Fish Finder features auto-tuning sonar and phone-like menus giving you more time to spend fishing and less time dealing with settings.

WIDER SONAR COVERAGE: The HOOK2 4x offers a wide-angle sonar cone giving you double the coverage of traditional fish finders.

EASY SETUP: A single transducer can be mounted on the transom, inside the hull, on the trolling motor or through a scupper hole.

✦ 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.

READY TO GO - Easily find where your next catch is hiding with the Deeper START Fish Finder! The lightweight and sleek design makes for a seamless reel without any messy wires or fiddly external batteries required. Ideal for shore anglers and family trips who want to get on with catching!

SMART TECHNOLOGY - Use innovative, cutting-edge technology to your advantage with our fish finders & depth finders. By generating its own Wi-Fi, our START depth fish finder won't eat up your mobile data and automatically saves every scan with time and location for easy revisits!

SIMPLE AND EFFECTIVE - This phone fish finder has you fishing in minutes! Simply pair with the Fish Deeper app on your mobile device and instantly see useful data like fish location and size, depth, bottom contour, vegetation and more. Free to download and compatible with iOS and Android devices.

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 ℉/℃.

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.

C-MAP CONTOUR plus: With high-resolution 1-foot contours on 8,900 U.S. lakes, spend more time trying to catch fish and less time trying to find them with the high-resolution detail of C-MAP Contour plus US/CAN inland and coastal charts.

SPLITSHOT READY: Perfect for anglers who want the best views below the boat, add a SplitShot transducer to get the fish-finding capability of wide-angle high CHIRP sonar and the high-resolution images of fish-holding structure from DownScan Imaging.

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.

C-MAP CONTOUR plus: With high-resolution 1-foot contours on 8,900 U.S. lakes, spend more time trying to catch fish and less time trying to find them with the high-resolution detail of C-MAP Contour plus US/CAN inland and coastal charts.

HDI TRANSDUCER: Perfect for anglers who want the best views below the boat, the 50/200 HDI transducer provides improved sonar performance in deep water - now the fish have nowhere to hide.

🐟 SMART FISHING SONAR - Powerful castable and most advanced CHIRP sonar by Deeper with three beam frequencies, crisp clarity and extreme accuracy. Ideal for quickly locating target species holding spots, pinpointing predator fish and fishing in extreme depths.

🐟 HIGH SPEC FISHING GEAR - Castable fish finder that casts out to 394 ft with solid connectivity. Accurate scanning in water from 6 in to 330 ft deep. Precise 0.4 in target separation. Compatible with iOS and Android devices. It generates its own Wi-Fi signal to connect to your smartphone.

🐟 FAST CHARGING POWERFUL BATTERY - This under water fish finder will last up to 15 hours. Charge the battery of this smart fish finder to 100% in just 2 hours. Ideal depth finder for kayaks and great addition to your ice fishing gear for effortless hole hopping.

1)High castable sonar :cast further,scan deeper,compatible with iOS/Android system.Portable transducer can be used in ocean, river or lake,and powered by 3.7V built-in lithium battery.Using smart technology with Wi-Fi connectivity ,without mobile data or internet required. It generate own Wi-Fi signal, anytime, anywhere.

2)Depth detection range : 147feet (45 m) Frequency: 125kHz Detection angle : 90 degrees WiFi frequency: 2.4 GHz WiFi range: 70 m

3)Working hours : Up to five hours of operation when fully charged Charger: 5 V, 1 A Charge indicator: red

4-Preset Operating Modes - Engineered to help you evolve your fishing by auto adjusting screen settings to target fish by size, depth or schooling.

FishEcho - Tunes sonar in the water column to pinpoint the size and depth of fish while tuning out clutter, debris and false echoes.

TraxNut Mounting System - Allows attachment to any 1/4 x 20 mounting bracket and expandability to any fishing platform.

🐟【Various features Display】2.4 inches colorful LCD Screen Fishfinders which has 21 operating languages, can detect fish size icon with depth, water temperature, water depth, bottom contour, water surface

🐟【Multi-Functional wireless sensor】The wireless sonar transducer supports 147feets(45m) under water detection which can cover 90 degree detect angle

🐟【Intelligent Wireless Sensor】Wireless sonar sensor and fish Attractive Lamp automatically turn on while touching water, makes it easier to attract and detect the fish. Comes with transparent replacement cover, more convenient to operate in the dark

SMART FISHING SOLUTION: Powerful castable and most advanced CHIRP sonar by Deeper with three beam frequencies, crisp clarity and extreme accuracy; Ideal for quickly locating target species holding spots, pinpointing predator fish and fishing in extreme depths

HIGHEST SPECS: Casts out to 394ft with solid connectivity; Wi-Fi module ensures a better and more stable connection in bad weather conditions

FAST CHARGING POWERFUL BATTERY: Working time up to 15 hours; Charge battery to 100 percent in just 2 hours

4.3in Video Underwater Fish Finder: IP67 depth waterproof camera and 4.3‑inch LCD screen form a visual system, allowing you to clearly see the fish bite the bait. In addition, it is equipped with a sun visor for more convenient outdoor use.

High Quality Material: Made of high‑quality ABS shell and TN plain screen, which is not easy to be damaged. The camera shell is made of aluminum alloy, which is deeply waterproof; at the same time, it adopts 20M special cable, which is waterproof and tensile.

5000mAh Battery for Long Life: This fishing camera has a built‑in 5000mAh rechargeable battery that can last 4‑6 hours of use. What's more, it can be powered by 5V/1A mobile power supply, which is more convenient for outdoor use.