Best Portable Fish Finders of 2025

The Reelsonar Portable Fish Finder is a Bluetooth fishfinder with a depth range of 135 feet and a rechargeable battery life of 10+ hours. It features sonar signals that are integrated to find and reflect visual images of both static and moving objects beneath the water's surface, as well as depth-tagged fish icons color coded by size. It also has a fish alarm to alert when fish congregate under docks and piers, and a strike alert to let you know when fish are biting. This fish finder is great for freshwater or saltwater, shore fishing, or fishing on the ice, making it a great gift for any angler.

The Venterior Portable Rechargeable Fish Finder is a great choice for anglers looking for a reliable and easy-to-use fish finder. It features a clear color TFT LCD display, a 90-degree sonar beam angle, and a maximum distance of 262 feet between the sensor and the screen. It also detects and displays water depth, water temperature, fish size, fish depth, and bottom contour. It has Work and Simulation Mode and the measure units of depth and temperature can be converted. It is covered by a 2-year warranty and comes with great customer service.

The Garmin Striker 4 with Portable Kit is a powerful fish finder with a keyed interface and dedicated buttons. It is available in 3.5-, 5- and 7-inch display sizes and features a waypoint map, CHIRP sonar, and built-in flasher. It is ideal for both ice fishing and regular fishing, and comes with a battery, transducer, and foam float. Customers have praised its accuracy and ease of use, but noted that the foam mount can dry out if on the water for too long.

The LUCKY Kayak Portable Fish Finder is a battery-powered fish finder with a 4 cm LCD display. It is designed to be handheld and portable, with a neck strap included for convenience. The sonar transducer can detect approximate fish location and water depth, as well as short and tall weeds, sand and rocks on the bottom. It also has a fish and fish schools alarm, and 5 levels of sensitivity adjustment. Customers have praised its accuracy, portability, and value.

The LUCKY Portable Fish Finder is a great choice for anglers looking for a compact, battery-powered fish finder. It features a 2.4-inch TFT color LCD screen, 26-foot wired operating distance, 328-foot depth detection, 45-degree beam angle, and 200kHz detection. It also has adjustable sensitivity, screen brightness, depth range, zoom, depth alarm, fish alarm, fish icon, and units. Customers have praised its accuracy and portability, although it is not waterproof.

The DANOPLUS DP-104 Wireless Fish Finder is a great choice for anglers looking for a reliable and budget-friendly fish finder. This portable fish finder has a 2.4-inch LCD screen and can detect fish size icon with depth, water temperature, water depth, bottom contour, and water surface. It also features a wireless sonar transducer that can detect up to 147 feet (45m) underwater and a fish alarm that will sound when fish pass by the coverage area. It's a great choice for kayak fishing, ice fishing, river and lake fishing, and sea fishing.

The Deeper PRO+ Smart Sonar Fish Finder is a powerful and reliable tool for anglers of all levels. It casts out up to 330ft and scans down to 260ft with precise 0.5in target separation. It also features a built-in GPS, real-time data, and a rechargeable battery. It is compatible with iOS and Android devices and syncs to phone/tablet using its own Wi-Fi. Customers have praised its accuracy, battery life, and GPS integration.

The Humminbird 410170-1 PIRANHAMAX 4 PT (Portable) Fish Finder has a 4.3-inch diagonal display size and a dual beam sonar. It provides 2400 watts PTP/300 Watts RMS power output and a depth sonar of up to 320 ft. The sonar coverage is 28° and 16° at -10dB.

The LUCKY Portable Fish Finder is a versatile and easy-to-use device that helps you detect fishes underwater. With its 2.4-inch TFT color LCD screen, it displays underwater contour, water depth, water temperature and fish size with depth, and has two user modes: WIRELESS/SIMULATION, which lets you 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 while the transparent replacement cover allows you to see the sensor even in the dark. It supports 196FT(60m) wireless operating range and 147FT(45m) depth detection, making it suitable for different fishing activities like ice fishing, river fishing, sea fishing, fishing off the shore, kayak fishing, or night fishing. The device also has various features settings, such as detect sensitivity, screen brightness, depth range, zoom, depth alarm, fish alarm, fish icon, units alter and language choose.

The Deeper START Smart Fish Finder is a portable fish finder and depth finder designed for recreational fishing from dock, shore or bank. It is battery powered, connects to Wi-Fi, and is compatible with iOS and Android devices. It boasts a 40° sonar beam for ultimate accuracy and coverage, and has a night fishing mode. It also has a 6-hour battery life and can cast up to 165ft. Customers have found it easy to use and accurate, though some have experienced issues with connecting to Wi-Fi.