10 Best Transducer For Saltwater of December 2025

• ◆ Default Data Setting for Various Fishing Mode : You can freely choose General Mode, Shallow Mode, Slope Mode, Raft Mode or Ice Fishing Mode according to your fishing environment. The related setting data was built-in different fishing modes accordingly. It is a concerned design for fishing beginners. The kayak fish finder can also remember before setting when you turn it on.
• ◆ Depth and bottom contour Readout : Kayak depth finder detects and displays water depth (max 328ft/100m), approximate fish location, short & tall weeds, sand & rocks on bottom. 2.2 inch LCD display offers you wide, clear and sun-visible visual experience.
• ◆ Fish Alarm and temperature/air pressure Readout : Kayak fish finder cannot only alert when fish or fish schools appear, but it also helps you distinguish small fish and large fishes. Meanwhile, you can read both air temperature and water temperature on the display. Air pressure is readable as well. LUCKY fish finders for boats help you to find out the relations between the fish and weather.
• ◆ Convertible Triple Suction Cup Mount : The kayak fish finder is fixed firmly to any smooth surface by the mount. Meanwhile, you can change to any other mount by the 1/4 inch standard screws, for example, tripod Mount, tube mount and so on.
• ◆ Wide Applications : LUCKY kayak fish finder is an ideal fish finder for boats fishing, kayak fishing, canoe fishing and float tube fishing. It is a good kayak depth finder for boating. It will help you get more fishes in sea fishing, ice fishing, shore fishing and other fishing circumstances.

LUCKY

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Beekeeper's Naturals

• Easy-to-use 3.5-inch colour fishfinder with built-in, high-sensitivity GPS and Garmin CHIRP ClearVu scanning sonar
• Find fish; mark and return to hot spots, slipways and docks, Speed data displayed directly on screen
• Includes Garmin transducer with CHIRP (77/200 kHz) and CHIRP ClearVü (455/800 kHz) with 500 W powe,r Includes: built-in flasher
• Physical dimensions: 91.6 x 150.8 x 42.8 cm; Display size: 4.9 x 7.3 cm; 3.5'' diag, (8.7 cm); Display resolution: 480 x 320 pixels
• Weight: 230 g, Water rating: IPX7,Maximum depth: 1,750 ft freshwater, 830 ft saltwater, Transmit power: 300 W

Garmin

• Please see the "Stern Pad Strength Demo Video" on You-tube
• Less than 5 minute install time (18 hours cure time)
• No screwing into boat hull or using messy epoxies - Can be bottom painted
• Pad Dimensions: 4.5" x 3.5" x .75" (Please use the Stern Pad Jumbo for larger 3D scanning transducers)
• Includes: (1) Standard Size White Stern Pad, (3) Screwless Cable Clips, & Install kit

Plug Pads

• 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)

Garmin

• Aluminum Construction
• Easy removal from boat
• Adjustable 15"-25" in length
• C-Clamp opening 2.375"
• You can add on the adjustable electronics mount MR75-45

Unexcelled Fishing

• Waterproof : The portable fish finder is waterproof in rains. No need to worry the splashes makes the display damaged any more. Even though the portable fish finder dropped into the river or lake, the fish finder would be floating on the water surface. You just need to put the handheld fish finder in open air after fishing to avoid water vapor generated inside display because of the temperature differences.
• Water Depth & Fish Location : You can easily get to know the water depth when the sonar transducer fully in the water. If you attached the sonar transducer to the hull your boat or kayak, you will know the water depth distribution of a specific area when the boat or kayak is moving. It will be easier to find a good position for fishing. Meanwhile, you could also know the approximate fish location and fish size by the portable fish finder display.
• Stable Sonar Transducer : The sonar transducer of the portable fish finder is working stable and reliable both in freshwater and saltwater. It offers a 45° beam angle underwater in 200Khz which supports maximum 328ft/100m water depth detection. There is a 25ft/7.62m extension cable and an anti-fish bite plastic float comes with the sonar transducer. The portable fish finder is USB rechargeable by a built-in lithium battery.
• Data Display : The fish finder displays water depth and temperature on the left top. The measurement unit can be freely changed in FT/M and ℉/℃. Besides water depth and fish location, you can also choose a particular underwater area to watch the size and location of the fishes.
• Ideal for Fishing : LUCKY waterproof fish finder is widely applied in ice fishing, kayak fishing, boat fishing and bank fishing. The portable 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.

LUCKY

• Fits all brands of trolling motors
• Small fits: 30lb-46lb motors | Large fits: 50lb-86lb
• Saltwater & Freshwater compatible - made with high quality materials
• Includes extra (spare) transducer mounting hardware screw (pictured)
• Backed by our 2 year warranty and customer service

Newport Vessels

• Hybrid Dual Imaging (HDI) transducer (83/200/455/800). The power of two award winning technologies. Broadband Sounder PLUS Exclusive DownScan Imaging combined to provide the best possible view beneath your boat.
• High frequency 455/800 kHz DownScan Imaging provides a life like representation of the water column, bottom, and any structure beneath your vessel.
• Able to measure both depth and temperature in a single package, the HDI Skimmer 455/800 simplifies installation and requires just one connection to your echosounder module or multifunction display.
• The HDI Skimmer 455/800 is suitable for transom or trolling motor mounting with any hull type. Frequency:  83/200/455/000 kHz. Temperature Sensor. Transom Mount.

Lowrance