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

31 Listed

  1. 20% off

    Raymarine Axiom+ 12 RV MFD Chartplotter - E70639

    $2,914.99
    $2,307.26
    5
  2. 19% off

    Raymarine Axiom+ 12 RV MFD Chartplotter with LightHouse Charts North America - E70639-00-102

    $2,964.99
    $2,396.00
    5
  3. 17% off

    Raymarine Axiom+ 7 RV MFD Chartplotter with RV-100 Transducer & LightHouse Charts North America - E70635-03-102

    $1,499.99
    $1,242.36
    5
  4. 18% off

    Raymarine Axiom+ 12 RV MFD Chartplotter with RV-100 Transducer & LightHouse Charts North America - E70639-03-102

    $3,314.99
    $2,706.60
    5
  5. 5% off

    Raymarine Chirp Transducer Extension Cable

    $71.99 - $156.99
    $71.99 - $156.99
    0
  6. 5% off

    Raymarine CP470 CHIRP Sonar Module - E70298

    $1,355.99
    $1,288.19
    0
  7. 5% off

    Garmin Livescope Plus LVS34 Transducer Mount

    $29.99 - $160.99
    $28.49 - $160.99
    1
  8. 12% off

    Raymarine Transducer Adapter Cable - A80485

    $72.99
    $64.23
    0
  9. 23% off

    Raymarine Axiom+ 7 RV MFD Chartplotter - E70635

    $1,099.99
    $843.04
    5
  10. 10% off

    Garmin 8-Pin Transducer to 4-Pin Sounder Adapter Cable - 010-12719-00

    $30.99
    $27.89
    1
  11. 5% off

    Garmin GT30-TM DownVu/SideVu Transom Mount Transducer

    $195.99
    $186.19
    0
  12. 10% off

    Humminbird Helix System Extension Cable

    $46.99 - $69.99
    $42.29 - $62.99
    0
  13. 10% off

    Humminbird 9 M360 2DDI Y MEGA 360 & 2D/MDI Splitter cable - 720107-1

    $53.99
    $48.59
    0
  14. 10% off

    Raymarine Transducer Adapter Y-Cable - A80494

    $141.99
    $127.79
    0
  15. 15% off

    Lowrance Hook2 Transducer Adapter Cable - 000-14068-001

    $33.99
    $28.89
    0
  16. 30% off

    Furuno CHIRP Ready Thru-Hull Transducer

    $692.99 - $723.99
    $485.09 - $723.99
    0
  17. 35% off

    SI-TEX B60-20 Thru-Hull Tilted Element Transducer

    $314.99 - $403.99
    $204.74 - $302.99
    0
  18. 5% off

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

    $2,999.99
    $2,823.52
    0
  19. 15% off

    Humminbird XTM 9 HW MSI HELIX MEGA SI+/DI+/Dual Spectrum CHIRP with Temperature Trolling Motor Mount Transducer - 710283-1

    $394.99
    $335.74
    0
  20. 10% off

    Lowrance StructureScan HD Skimmer Transducer Mounting Bracket - 000-10874-001

    $56.99
    $51.29
    0
  21. 10% off

    Lowrance ActiveTarget2 Scout and Scout Wide Bracket - 000-15960-001

    $108.99
    $98.09
    0
  22. 13% off

    Lowrance StructureScan 3D Stainless Steel Thru-Hull Transducer

    $1,332.99 - $2,227.99
    $1,156.49 - $2,227.99
    0
  23. 10% off

    Garmin Kayak In-Hull Transducer Mount - 010-12357-00

    $30.99
    $27.89
  24. 15% off

    Humminbird AS T Y Temperature/Speed Sensor Y-Cable - 720075-1

    $42.99
    $36.54
    0
  25. 19% off

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

    $3,264.99
    $2,617.86
    5
  26. 69% off

    Raymarine CPT-120 Trolling Motor Transducer Mounting Kit - A80363

    $1.99
    $0.60
    0
  27. 10% off

    Raymarine HyperVision Thru-Hull Transducer Extension Cable - A80562

    $108.99
    $98.09
    0
  28. 10% off

    Raymarine Transducer Adapter Y-Cable - A80492

    $137.99
    $124.19
    0
  29. 64% off

    Raymarine Wireless Micronet Bronze Housing - T942

    $168.99
    $59.15
    0
  30. 10% off

    Maretron Transducer Bronze Housing Kit - M33-100

    $132.99
    $119.69
    0
  31. 10% off

    Furuno Transducer Y-Cable - AIR-033-270

    $90.99
    $81.89
    0

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!

1Filters

Clear All
  1. More Ways To Shop: Items on Sale ×
Category
Manufacturer
Price
0.6
2824.52
More Ways To Shop
Display Size
Availability
Compatible with
Fulfillment
Option
Material
Controls
Radar Included
Radar Capable
Scanning Sonar Capable

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.