Skip to contentGo to Product Search
Main Content
Best Buy

/

marine & powersports

/

marine electronics

/

marine gps & fishfinders

Best Fish Finders For Boats

Find the best fish finder for your boat by comparing options based on how and where you fish. Browse fish finders and compare sonar capabilities, display readability, mounting requirements, and GPS or mapping features where available to help narrow your choices. Check power needs and transducer compatibility to find a setup that works with your boat.

Read More
Results
Main Results

  1. Garmin - GPSMAP 1242xsv Fishfinder/Chartplotter GPS - Black

    SKU: JXF9YFK8YY

    [Employee of bestbuy] Such a great product and great quality build.

    Product Description

    A black all-in-one marine GPS features CHIRP sonar, chartplotting, Wi-Fi, and advanced mapping capabilities.
    See all Marine GPS & Fishfinders
    Your price for this item is $2,699.99

  2. Garmin - Striker 4 Fishfinder GPS - Black

    SKU: JXF9YFPP36

    I love how clear it is. and so easy to us I love the gps on it also great uint....Works great easy setup. Love the GPS way point makes it easy to navigate

    Product Description

    A black fishfinder with GPS, CHIRP sonar, backlit color display, and water resistance for confident fishing.
    See all Marine GPS & Fishfinders
    Your price for this item is $139.99
    Save $20
    The previous price was $159.99

  3. Garmin - STRIKER Plus 4 Fishfinder GPS - Black

    SKU: JXF9YF9KH3

    Great product for the price. Love the GPS feature....Ordered from Best Buy...arrived two days early. Haven't really used the Garmin yet.

    Product Description

    A black fishfinder with GPS, sonar imaging, and mapping software for easy navigation and fish tracking.
    See all Marine GPS & Fishfinders
    Your price for this item is $179.99

  4. Garmin - STRIKER Vivid 7cv Fishfinder GPS - Black

    SKU: JXF9YFWXYT

    Great graph...It was a great up grade from the little hummingbird I had it has a good size screen and picture quality

    Product Description

    A black fishfinder with high-contrast color display, CHIRP sonar, GPS, Wi-Fi, and mapping features.
    See all Marine GPS & Fishfinders
    Your price for this item is $419.99

  5. Garmin - LiveScope Plus System With GLS 10 and LVS34 Transducer - Black

    SKU: JXF9YFZC68

    In my opinion the best forward facing sonar....I tried all the others before buying this one and its the best by far

    Product Description

    A black, water-resistant fish finder system delivering real-time, high-resolution sonar images with multiple viewing modes.
    See all Marine GPS & Fishfinders
    Your price for this item is $1,445.99
    Save $354
    The previous price was $1,799.99

  6. Garmin - STRIKER Cast Without GPS - White

    SKU: JXF9YFQH9X

    Works great

    Product Description

    A portable, water-resistant white fish finder that streams sonar data wirelessly to your smartphone or tablet.
    See all Marine GPS & Fishfinders
    Your price for this item is $149.99

  7. Garmin - STRIKER Vivid 5cv Fishfinder GPS - Black

    SKU: JXF9YFWXG9

    Best bang for the buck...Great Visibility

    Product Description

    A black fishfinder with high-contrast color display, CHIRP sonar, GPS, and Quickdraw Contours mapping.
    See all Marine GPS & Fishfinders
    Your price for this item is $349.99

  8. Garmin - STRIKER Vivid 9sv Fishfinder GPS - Black

    SKU: JXF9YFWLX2

    Great !!!...This is without a doubt a great fish finder, the 9” screen is sharp and easy to see from anywhere on...I love being able to see the bottom and having both side....Works great, Nice display,...

    Product Description

    A black fishfinder with high-contrast color display, CHIRP sonar, GPS, Wi-Fi, and mapping features.
    See all Marine GPS & Fishfinders
    Your price for this item is $649.99

  9. Garmin - ECHOMAP Chartplotter GPS UHD2 94sv with transducer - Black

    SKU: JXF9YFZTZJ

    Product Description

    A black touchscreen chartplotter with high-resolution sonar, Wi-Fi connectivity, and built-in Garmin Navionics+ cartography.
    See all Marine GPS & Fishfinders
    Your price for this item is $1,399.99

  10. Garmin - ECHOMAP Chartplotter GPS UHD2 93sv with transducer - Black

    SKU: JXF9YFZTK8

    Product Description

    A black touchscreen chartplotter with high-resolution sonar, Wi-Fi connectivity, and built-in Garmin Navionics+ cartography.
    See all Marine GPS & Fishfinders
    Your price for this item is $1,299.99

  11. Garmin - ECHOMAP Chartplotter GPS UHD2 74cv with transducer - Black

    SKU: JXF9YFZHL5

    Product Description

    A black chartplotter GPS with sonar, vivid color display, built-in maps, Wi-Fi, and app compatibility.
    See all Marine GPS & Fishfinders
    Your price for this item is $699.99

  12. Garmin - STRIKER Vivid 7sv Fishfinder GPS - Black

    SKU: JXF9YFWXP8

    Great product!...Great product, love the functionality and ease of installation...Great features...I have had several other sonar units and this one with the side view is by far the best unit I have had...

    Product Description

    A black fishfinder with vivid color display, CHIRP sonar, GPS, Wi-Fi, and Quickdraw mapping features.
    See all Marine GPS & Fishfinders
    Your price for this item is $519.99

  13. Garmin - ECHOMAP Chartplotter GPS UHD2 54cv with transducer - Black

    SKU: JXF9YFZHL3

    Excellent Fish Finder with Great Value

    Product Description

    A black chartplotter GPS with sonar, vivid color display, built-in maps, Wi-Fi, and app compatibility.
    See all Marine GPS & Fishfinders
    Your price for this item is $499.99

  14. Garmin - STRIKER Vivid 4cv Fishfinder GPS - Black

    SKU: JXF9YFWX8V

    Got my garmin striker one day early, best buy delivered it to my vehicle with care.Works great.

    Product Description

    A black fishfinder with high-contrast color display, CHIRP sonar, GPS, and Quickdraw Contours mapping.
    See all Marine GPS & Fishfinders
    Your price for this item is $199.99

  15. Lowrance - 000-16114-001 Eagle 7 Splitshot Amer Fish Finders with IPS Screen - Black

    SKU: BSWYRRXP3R

    Product Description

    A black fish finder featuring an IPS screen, SplitShot HD Transducer, FishReveal, and worldwide basemap.
    See all Marine GPS & Fishfinders
    Your price for this item is $509.99

  16. Garmin - GPSMAP 1042xsv Fishfinder/Chartplotter GPS - Black

    SKU: JXF9YFK8LP

    Product Description

    A black all-in-one marine GPS with CHIRP sonar, chartplotting, Wi-Fi, and app compatibility for boating.
    See all Marine GPS & Fishfinders
    Your price for this item is $1,999.99

  17. Lowrance - Eagle 7 with TripleShot Transducer & C-MAP Discover OnBoard Chart - Black

    SKU: BSWYRRX9CP

    Product Description

    A user-friendly black fishfinder with TripleShot HD transducer, FishReveal, and high-resolution C-MAP charts.
    See all Marine GPS & Fishfinders
    Your price for this item is $664.99

  18. Lowrance - Eagle Eye Transducer with Live Sonar, 9" IPS screen, C-MAP - Black

    SKU: BSWYRRXPSG

    Product Description

    A black plug-in fish finder featuring live sonar, CHIRP, DownScan Imaging, FishReveal, and detailed C-MAP charting.
    See all Marine GPS & Fishfinders
    Your price for this item is $999.00

  19. Garmin - Striker Vivid 9sv, Vivid Scanning Sonar Color Palettes, Cleaning kit

    SKU: JJGYT4JVVJ

    Product Description

    A vivid 9-inch color fishfinder with advanced CHIRP sonar, GPS navigation, and Wi-Fi connectivity for anglers.
    See all Marine GPS & Fishfinders
    Your price for this item is $704.95

  20. Garmin - ECHOMAP Chartplotter GPS UHD2 53cv with transducer - Black

    SKU: JXF9YFZH8P

    Product Description

    A black chartplotter GPS with sonar, vivid color display, built-in maps, Wi-Fi, and app compatibility.
    See all Marine GPS & Fishfinders
    Your price for this item is $449.99
1 - 20 of 20 items
20 items

Choosing the best fish finders for boats starts with matching sonar capabilities, display size, and mapping features to the way you fish. For small fishing boats and kayaks, a compact fish finder with a bright, sunlight-readable screen and a straightforward interface can help you locate depth changes, submerged cover, and potential fish targets without crowding the helm. On bass boats, center consoles, and larger fishing vessels, a larger display makes it easier to compare sonar returns and navigation charts side by side. CHIRP sonar uses a range of frequencies to help distinguish individual targets, while down-imaging sonar provides detailed views of structure beneath the boat. Side-imaging sonar scans to either side, helping anglers search broader areas for brush piles, weed edges, and other promising habitat. Live sonar, available on compatible systems with the appropriate transducer and hardware, can show movement with near-real-time updates, making it useful for watching fish activity and adjusting lure presentation. The right combination depends on your fishing depth, typical water conditions, and whether you prioritize finding structure, tracking moving targets, or both. The best boat fish finder for your setup should also offer practical navigation tools and an installation that suits your vessel. A fish finder with GPS lets you save waypoints for productive fishing spots, while a fish finder and chartplotter combo can pair sonar views with compatible lake or coastal charts. Check whether detailed maps come included, require a separate purchase, or depend on a subscription, and confirm coverage for the waters you plan to fish. Transducer selection and placement matter just as much as the display: a suitable transom-mount, trolling-motor-mount, or through-hull installation can help reduce interference and maintain clearer readings, although performance at speed varies with hull design, mounting location, and water conditions. Compare power requirements, mounting space, water-resistance ratings, and touchscreen versus button controls before buying marine electronics for your boat. Some network-capable fish finders can share information with compatible displays, trolling motors, or other onboard equipment, but connections and required accessories vary by model. For freshwater fishing, prioritize clear views of structure and useful lake mapping; for offshore fishing, give greater weight to depth capability, transducer suitability, and coastal chart coverage. Balancing these features with the total cost of installation, mapping, and accessories helps you choose a fish finder that supports your fishing style without paying for capabilities you are unlikely to use.

Best Sellers

Related Pages

FAQ

Common options include traditional 2D sonar, CHIRP sonar, down imaging, side imaging, and live sonar. CHIRP uses a range of frequencies, while down imaging and side imaging display sonar views beneath or beside the boat. Live sonar provides continuously updated views of underwater activity. Available technologies depend on the fish finder and its compatible transducer.

A fish finder displays sonar information about the water below or around a boat. A chartplotter displays the boat’s GPS position on electronic maps or marine charts. Combination fish finder and chartplotter units bring both functions together and may include waypoint storage, route planning, and optional mapping subscriptions.

Common transducer mounting options include transom mounts, trolling motor mounts, through-hull mounts, and in-hull mounts. Transom mounts attach at the rear of the boat, while trolling motor mounts attach to the motor. Through-hull installations pass through the hull, and in-hull transducers mount inside compatible hulls. Mounting compatibility depends on the transducer, sonar technology, and boat construction.

Depending on the model, fish finders may offer Wi-Fi, Bluetooth, Ethernet, or NMEA 2000 connectivity. These connections can support functions such as software updates, mobile app access, waypoint sharing, or integration with compatible marine electronics. Network capabilities vary, so check compatibility with any equipment you plan to connect.

Most permanently installed boat fish finders use a wired connection to the boat’s DC electrical system. Portable setups may use a separate rechargeable battery, sometimes housed in a carrying case with the display and transducer accessories. Power requirements and included cables vary by model.