Best Portable Sonar Fish Finder – Top 7 Picks and Reviews 2020

We looked at the reviews online and found the best of the best using our data-backed approach.

Here’s a look at the best Portable Sonar Fish Finder

Bestseller No. 1
LUCKY Portable Fish Finder Transducer Sonar Sensor 147 Feet Water Depth Finder LCD Screen Echo...
56 Reviews
LUCKY Portable Fish Finder Transducer Sonar Sensor 147 Feet Water Depth Finder LCD Screen Echo...
  • ★The portable fish finder, with 2.4inch TFT color LCD screen, can detect and display underwater contour, water depth, water temperature and fish size with depth. It has two user modes: WIRELESS/SIMULATION. You can try all functions in simulation mode and go fishing in wireless mode.
  • ★The wireless sonar transducer, with fish attractive lamp, makes it easier to detect fishes. It has a transparent replacement cover, so you can see where the sensor is even in the dark.
  • ★The wireless fish finder supports 196FT(60m) wireless operating range(There is an antenna on the left top of the hand held, please pull it out), 147FT(45m) depth detection. You can go fishing in different ways with it, such as ice fishing, river fishing, sea fishing, fishing off the shore, kayak fishing or fishing in the night.
  • ★Various features settings: detect sensitivity, screen brightness, depth range, zoom, depth alarm, fish alarm, fish icon, units alter and language choose.
  • ★Both of the wireless fish finder and the sonar are rechargeable. Come with a USB cable for charging. The hand held can last 4 hours with full charge and the sonar sensor can last 10 hours with full charge.
Bestseller No. 2
LUCKY Portable Fish Finder Handheld Kayak Fish Finders Wired Fish Depth Finder Sonar Sensor...
  • ☀ The portable fish finder, with updated 2.4inch TFT color LCD screen(more clear to display), can detect and display underwater contour, water depth, water temperature and fish size(big/middle/small) and fish depth. It has two user modes: TRANSDUCER/SIMULATION. You can try all functions in simulation mode and go fishing in transducer mode.
  • ☀ Lucky fish finder portable provides you 26FT wired operating distance and 328FT depth detection. Kayak fish finders has 45° beam angle with 200Khz in detection.
  • ☀ The fish finder portable is rechargeable. Come with USB cable for charging. The fish depth finder can work continuously about 5 hours with full charge. The brightness of the display can be adjusted. So you can read the data either at night or in the sunlight easily.
  • ☀ Various features settings: Lucky portable fish finder is with updated underwater contour display(3 kinds of display you can choose, more clear and professional). Also, you can set up sensitivity, screen brightness, depth range, zoom, depth alarm, fish alarm, fish icon, units(FT/M ℃/℉)alter and language by yourself.
  • ☀ You can go fishing with the fish depth finder in different ways, such as ice fishing, river fishing, sea fishing, shore fishing, kayak fishing, etc. The bracket allows you to attach the sensor transducer to your boat or kayak.
Bestseller No. 3
Venterior Portable Rechargeable Fish Finder Wireless Sonar Sensor Fishfinder Depth Locator with Fish...
  • Wireless and castable: No more long & heavy cable for transducer. Clear Color Screen: it comes with clear color TFT LCD display (2 screen background colors selectable - black and white), which enables you to read the screen in bright sunlight or at night. It applies to lake, river, sea and other fishing environment. Suitable for trolling from a kayak or boat, casting from the shore or using for ice fishing.
  • It detects and displays water depth, water temperature, fish size (small/middle/big), fish depth, and bottom contour. It has Work and Simulation Mode. Measure units of depth and temperature can be converted. Sonar Beam Angle: 105 degree. Depth Range: 2.6-131FT/0.8-40M. Wireless Distance Range: 262FT/80M.
  • No need to drill hole in your boat hull to install the sensor any more. Two small holes on the wireless sensor allow you to tether with your fishing line and cast it onto water as far as you want.
  • Note: 1. Please press and hold 3 seconds to turn on the display. It will turn off if depth display reads "--" for 5 minutes for power saving. 2. Please allow several seconds for the unit to update the water depth when you throw the sensor onto water. 3. The sonar sensor transmitter will turn on automatically when you cast it into water. Please dry it when not using it, or the sensor will keep working.
  • Attention: When the sensor is off, it is not connected, and its Battery Indicator on the display unit is incorerct. Red indicator light on the sensor will turn off when it is fully charged. If you would like to check the sensor's battery status from the display, please put the sensor in water. The sensor will turn on and be connected when it floats on water. The Battery Indicator on the display will then display the correct battery status of the sensor.
SaleBestseller No. 4
Deeper PRO+ Smart Sonar - GPS Portable Wireless Wi-Fi Fish Finder for Shore and Ice Fishing, Black,...
483 Reviews
Deeper PRO+ Smart Sonar - GPS Portable Wireless Wi-Fi Fish Finder for Shore and Ice Fishing, Black,...
  • HIGHEST SPEC CASTABLE SONAR: casts further, scans deeper, more features than any other. Syncs with iOS/Android devices. Use for shore, boat, ice fishing
  • INBUILT GPS: enables you to create bathymetric maps from the shore, Enjoy free access to Lake book, Deeper' s bathymetric management platform where you can save, review and analyze all of your maps on any device from the comfort of home
  • ROCK SOLID CONNECTIVITY: Syncs to phone/tablet using WiFi (like a hotspot). NO INTERNET IS NEEDED. Turn OFF Cellular data for uninterrupted connection
  • INCREDIBLE DATA: Scans down 260ft, 0.5" target separation, dual beam (broad/narrow), 15 scans per sec. Map depth, find structure, vegetation and fish
  • BOAT FISHING: Install in secs, no cables or batteries, smooth trolling. ICE FISHING: 3.5oz, no cables, flasher display + zoom, 0.5" target separation
Bestseller No. 5
LUCKY Handheld Fish Finder Portable Fishing Kayak Fishfinder Fish Depth Finder Fishing Gear with...
225 Reviews
LUCKY Handheld Fish Finder Portable Fishing Kayak Fishfinder Fish Depth Finder Fishing Gear with...
  • ◆ Fishes and bottom contour readout: LUCKY fish finder portable detects and displays water depth, approximate fish location, short & tall weeds, sand & rocks on bottom. Fish finder portable design gives you another option to hang it around neck.
  • ◆ The kayak fish finder suits for variety fishes fishing environments: It can be used for off shore fishing, kayak fishing, ice fishing, lake fishing, sea fishing and so on. You can also use handheld fish finder on the moving kayak with speed below 5mph.
  • ◆Depth readout: The fish finder portable detector range is in a 45°cone underwater. The detection of depth range is from 3ft(1m) to 328ft (100m) below fishing sonar transducer. The water depth can be shown either in feet or meter. The fishing sonar sensor is with 25 ft cable and removable transducer float.
  • ◆ Small portable fish finder with powerful functions: 5 modes sensitivity options; battery save mode; backlight mode; fish and fish school alarm. Normally fishing depth finder supports 4-5 hours continuous working with brand new batteries. Open battery save mode can be working even longer.
  • ◆ Warranty Policy: We offer 12 months warranty for LUCKY fish finder portable. It will be one of your best fishing kayak accessories. Any questions before or after purchase, please feel free to contact us via Amazon message (response within 24 hours every day online).
Bestseller No. 6
Garmin Striker 4 with Portable Kit
217 Reviews
Garmin Striker 4 with Portable Kit
  • 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.
  • Waypoint map - use the waypoint map to easily view, mark and navigate to locations such as brush piles, stumps and docks.
  • Chirp sonar - chirp 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.
Bestseller No. 7
LUCKY Portable Sonar Fish Finder Boat Depth Fishing Fish Finders Waterproof Handheld Wireless...
  • 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 200ft 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 ℉/℃.
  • Sonar Transducer with Attractive Lamp : The sonar transducer works with 125Khz in a 90 degrees beam angle. The wireless fish finder will alerts when the sonar ball detects fish or fish schools. Even more, you will get alarm when it detects shallows. You can put the replacement transparent cap on the sonar ball which will be glowing in the dark, so you will easy to know where the sonar ball is when night fishing.
  • Ideal for Fishing : LUCKY sonar fish finder is widely applied in ice fishing, kayak fishing, boat fishing and bank fishing. The wireless fish finder can be working for 5~6 hours continuously after fully charged. Once the battery save mode is turned on, it could be working even longer than 10 hours.