Defender US
Free Shipping on orders over $99*

Fishfinders

Black Box Sonar Modules Fishfinder Combos Fishfinder Transducers Multifunction Displays with Built-in Sonar Standalone Fishfinders

1077 Listed

  1. Airmar B265 Chirp-Ready Thru-Hull Transducer - 21-Pin Humminbird

    $1,999.00 - $2,199.00
    0

  2. Airmar B265 Chirp-Ready Thru-Hull Transducer - 7-Pin Navico

    $1,999.00 - $2,199.00
    0

  3. Airmar CHIRP Transducer Adapter Box - 33-969-01

    $465.00
    0

  4. Lowrance HDS PRO Fishfinder/Chartplotter with C-MAP DISCOVER OnBoard - 9" - 000-15996-001

    $1,799.00
    0

  5. Lowrance HDS PRO Fishfinder/Chartplotter with Active Imaging HD Transducer and C-MAP DISCOVER OnBoard - 9" - 000-15981-001

    $1,899.00
    0

  6. Lowrance HDS PRO Fishfinder/Chartplotter with C-MAP DISCOVER OnBoard - 10" - 000-15999-001

    $2,299.00
    0

  7. Lowrance HDS PRO Fishfinder/Chartplotter with Active Imaging HD Transducer and C-MAP DISCOVER OnBoard - 10" - 000-15984-001

    $2,399.00
    0

  8. Lowrance HDS PRO Fishfinder/Chartplotter with Active Imaging HD Transducer and C-MAP DISCOVER OnBoard - 12" - 000-15987-001

    $3,099.00
    0

  9. Lowrance HDS PRO Fishfinder/Chartplotter with C-MAP DISCOVER OnBoard - 16" - 000-16005-001

    $4,499.00
    0

  10. Lowrance HDS PRO Fishfinder/Chartplotter with Active Imaging HD Transducer and C-MAP DISCOVER OnBoard - 16" - 000-15990-001

    $4,599.00
    0

  11. Lowrance ActiveTarget 2 System

    $831.00 - $1,399.00
    0

  12. Lowrance Active Imaging HD 2-in-1 Transducer - 000-16063-001

    $340.99
    0

  13. Lowrance Dual Stainless Steel Thru-Hull Transducers - Pair - 000-11460-001

    $1,611.99
    0

  14. Lowrance Elite FS 7 Multifunction Display with C-MAP Contour+

    $749.00 - $949.00
    0

  15. Lowrance PTI-WSU Portable-Mount Ice Fishing Transducer - 000-0106-68

    $101.99
    1

  16. Lowrance Stainless Steel Thru-Hull Transducer - Single - 000-11459-001

    $766.99
    0

  17. Lowrance StructureScan 3D Thru Hull Transducer - 000-14254-001

    $1,332.99
    0
  18. 20% off

    Maretron Transducer Bronze Housing Kit - M33-100

    $106.39
    0

  19. Raymarine Axiom+ 7 RV MFD Chartplotter with RV-100 Transducer - E70635-03

    $1,449.99
    5
  20. 19% off

    Raymarine Axiom+ 12 RV MFD Chartplotter with RV-100 Transducer - E70639-03

    $2,617.86
    5

  21. Raymarine CP450C Y-Cable - A102146

    $70.99
    0

  22. Raymarine CPT-110 Thru-Hull CHIRP DownVision Transducer - A80277

    $343.99
    0
  23. 69% off

    Raymarine CPT-120 Trolling Motor Transducer Mounting Kit - A80363

    $0.60
    0

  24. Raymarine CPT-S/DVS Transducer to Element Display Adapter - A80559

    $123.99
    0

  25. Raymarine HV-300 HyperVision CHIRP Transducers - Pair - T70448

    $766.99
    0

  26. Raymarine HyperVision Thru-Hull Transducer Extension Cable - A80562

    $108.99
    0

  27. Raymarine RV-200 Bronze All-In-One Thru-Hull Transducer - A80465

    $935.99
    0

  28. Raymarine RV-212/RV-220 Bronze Through Hull Transducer

    $1,025.99
    0

  29. Raymarine RV-420 Stainless Steel Through Hull RealVision Transducer Pack - T70451

    $1,639.99
    0
  30. 15% off

    Raymarine Transducer Adapter Y-Cable - A80492

    $117.29
    0

  31. Raymarine Transducer Adapter Y-Cable - A80486

    $137.99
    0

  32. Raymarine Trolling Motor HV-100 Transducer Mount - A80557

    $66.99
    0
  33. 64% off

    Raymarine Wireless Micronet Bronze Housing - T942

    $59.15
    0

  34. Raymarine RealVision RV-312 3D Plastic Through Hull Transducer (2-Pack) - T70320

    $1,621.99
    0

  35. Garmin STRIKER Plus 4cv Ice Fishing Bundle - 010-01870-30

    $379.99
    0

  36. Garmin STRIKER Vivid 5cv Ice Fishing Bundle - 010-02551-04

    $459.99
    0

  37. Garmin GT21-TH Thru-Hull Transducer - 010-01962-10

    $431.99
    0

  38. Garmin ECHOMAP UHD2 63sv Chartplotter with GT54UHD-TM transducer - 010-02680-01

    $849.99
    0

  39. Garmin ECHOMAP UHD2 52cv Chartplotter

    $449.99 - $499.99
    0

  40. Garmin ECHOMAP UHD2 72cv Chartplotter

    $649.99 - $699.99
    0

  41. Garmin GPSMAP 923xsv Sonar Chartplotter with Worldwide Basemap - 010-02366-02

    $1,599.99
    0

  42. Garmin GPSMAP 1223xsv Sonar Chartplotter with Worldwide Basemap - 010-02367-02

    $3,099.99
    0

  43. Garmin GPSMAP 1223xsv Sonar Chartplotter with GMR 18HD+ Radar and Worldwide Basemap - 010-02367-50

    $4,399.99
    0

  44. Garmin GPSMAP 8410xsv Sonar Chartplotter with Worldwide Basemap - 010-02091-02

    $2,577.99
    0

  45. Garmin GPSMAP 8412xsv Sonar Chartplotter with Worldwide Basemap - 010-02092-02

    $3,219.99
    0

  46. Garmin GPSMAP 8416xsv Sonar Chartplotter with Worldwide Basemap - 010-02093-02

    $4,857.99
    0
  47. 10% off

    Garmin GPSMAP 8610xsv Sonar Chartplotter with Navionics+ - 010-02091-51

    $2,673.52
    0

  48. Minn Kota Transducer Mounting Kit - 1840201

    $26.99
    0
Previous13 / 23Next

About Fishfinders

GPS Fish Finders & Depth

Fish finders from Defender include the most innovative electronics available today. Multifunctional displays show fish finders with GPS chart displays. Additional optional displays include depth finders and navigational charts.

Navigate your way to the fish

Commonly known on the docks as "plotters", fish finders with navigation features do more than get you to the fishing grounds and back. Fish finders with GPS track your bites on the chart enabling navigation back to the fishing hole of your dreams or back across a temperature change that is holding fish. Some say you can't catch yesterday's fish but with the right fish finder and nav system, you can try!

All you need right in one place

Multifunctional displays allow boaters to see their GPS, fish finder, navigational systems, and even radar in one unit. Check your application, current electronics, and any additional functions you may want to add in the future to determine the best multifunctional display for your boat.

Not your mama's fish finder

Omni directional, side scan, and 3-dimensional readings seemed like the future of fishing just a few years ago. Today fish finder science and technology have moved forward in leaps and bounds. Order the fish finder of your dreams today and stack the fish-catching cards in your favor!

0Filters

Category
Manufacturer
Price
0.6
7200.99
More Ways To Shop
Availability
Fulfillment
Compatible with
Option
Display Size
Material
Controls
Radar Included
Radar Capable
Scanning Sonar Capable
Connectivity

Change Locale

United States - English Shop in currency: USD
Canada - English Shop in currency: CAD
Canada - Français Shop in currency: CAD

Explore

Guides
Brands

Helpful Information

Track My Order
Shipping Policy
Return Policy
Outlet Store
Commercial Accounts

Get In Touch

Customer Service
1-800-435-7180
Send a Message

Resources

Gift Cards
Privacy Policy
Conditions of Use
Accessibility Statement

Stay Connected

X
Facebook
Instagram
YouTube
Toggle desktop/mobile version
2026 © Defender. All Rights Reserved.