Top 5 Editorial Picks

Five current fishfinders chosen for distinct buyer needs—from compact value to a premium expandable system. These are editorial selections, not Amazon or reader ratings.

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  1. 1
    Garmin Striker Vivid 4cv Fishfinder with Transducer - 4-inch LCD Display - Easy-to-Use Scanning Sonar - Color Palettes, 11.2 Ounces (010-02550-00) | Transducer, 4-inch LCD Display, Easy-to-Use Scanning Sonar, Color Palettes, 11.2 Ounces 4 Inch STRIKER Vivid 4cv Transducer

    Best Compact Value

    Garmin STRIKER Vivid 4cv

    A straightforward sonar and GPS unit for kayaks, jon boats, and small boats.

    • CHIRP and ClearVü scanning sonar in a compact package
    • A sensible pick when you do not need a chartplotter or SideVü
    • Best fit for budget-conscious small-boat anglers
  2. 2
    Garmin Striker Vivid 7sv, Easy-to-Use 7-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Sonar Color Palettes (010-02553-00) | Easy-to-Use 7-inch Color Fishfinder, Sonar Transducer, Vivid Scanning Sonar Color Palettes 010-02553-00 7 Inch STRIKER Vivid 7sv Transducer

    Best All-Around 7-Inch Fishfinder

    Garmin STRIKER Vivid 7sv

    A capable sonar-first choice for anglers who want a useful 7-inch display without moving into a full chartplotter system.

    • CHIRP, ClearVü, and SideVü sonar for fish and structure
    • Simple setup with a practical 7-inch screen
    • Strong value for most general boat anglers
  3. 3
    Garmin ECHOMAP UHD2 73sv with GT54 Transducer, 7” Touchscreen Chartplotter, Garmin Navionics+ U.S. Inland 7' Garmin Navionics+ U.S. Inland with GT54 Transducer

    Best GPS & Chartplotter Upgrade

    Garmin ECHOMAP UHD2 73sv

    The mapping step-up for buyers who need confident navigation as well as high-quality scanning sonar.

    • Garmin Navionics+ U.S. Inland mapping and touchscreen control
    • Ultra High-Definition ClearVü and SideVü sonar
    • A better fit than STRIKER when charts matter
  4. 4
    Humminbird XPLORE Series GPS Fish Finder MEGA Side Imaging+ & HD Touchscreen Display Transducer Included) 9-Inch Display

    Best Side-Imaging Upgrade

    Humminbird XPLORE 9

    A current 9-inch imaging platform for anglers ready to build around serious side imaging and boat integration.

    • MEGA Side Imaging+ and MEGA Down Imaging+
    • 9-inch display with touchscreen and keypad control
    • Recommended configuration: 9-inch, transducer included
  5. 5
    Lowrance HDS PRO Fishfinder/Chartplotter with Smartphone Integration and Preloaded C-MAP U.S. & Canada Charts 10 Inch ActiveImaging HD 3-in-1

    Best Premium Expandable System

    Lowrance HDS PRO 10

    A larger-boat platform for buyers who want premium sonar, mapping, networking, and a serious expansion path.

    • Active Imaging HD and C-MAP charting
    • Wide networking support for integrated electronics
    • Ready to expand with ActiveTarget 2 and the Lowrance ecosystem

Marine Electronics Installation Tips

Our straightforward marine electronics installation tips will guide you through installing any piece electronics gear including a radio, chartplotter, or even a fishfinder.

Use one or all of our marine electronics installation tips to improve and ease the work once you have chosen the specific radio, bilge pump, or other electronics that fits your boat and your budget. Our tips and techniques will get your gear installed the right way the first time out.

The first time you install a piece of marine electronics, a VHF radio for instance, or an electric device like a bilge pump it will likely be a simple remove and replace job.

Installation Basics

On a simple job like replacing an electronics item needing repair your main concern will be getting the device reconnected properly to the boat wiring. Making wire connections that will resist corrosion and provide years of trouble free service is paramount to your boating pleasure.

Before you start, a quick review of basic boat wiring will get you up to speed on things to look for in new boat wiring as well as get you started on doing your own boat wiring job.

Here is a good place to start. Read our article on how to make a wire connection that will provide good service over an extended period of time even when located in highly corrosive bilge areas.

If you get into a more complex job that requires adding wire to a circuit or even running a new circuit for an additional piece of gear, you’ll need to pick the right wire for the job.

For most boat owners doing their own gear installations they will be purchasing new pieces of equipment in a store or online through links like those at contained in our reviews.

Installation Specifics

Before you set off installing all your own marine electronics you will need to do some planning. If you find mounting space to be at a premium you may wish to consider adding a marine electronics box.

One of the first pieces of marine electronics many boaters install will be front line navigation gear like a GPS with a charting function. Here we tell you all you need to know about how to install a chartplotter right.

Since many chartplotters today are paired with an internal sonar to provide sounder and fishfinder capability you may also need to know how to install a transducer on your boat.

Mounting your electronics in a panel makes for a clean look and can increase the value of your boat. Here’s how to flush mount your marine electronics.

Boats usually have a variety of pumps aboard and because of the environment they operate in, they break on occasion. Here on our how to install a washdown pump page you will learn all the details to do the job right.

I will continue to add more marine electronics installation tips and techniques for marine electrical device installation as time permits. I know many of this website’s reader install gear themselves and have a lots of outstanding tips they use.

Have an Installation Tip To Share? Let’s Hear It!

Do you have an electronics installation tip that worked wonders for you?

We want to hear about anything that made your radio, chartplotter, or fishfinder installation better, faster, or easier. Don’t limit it to those pieces of gear either. We want to hear about any marine electronics or electrical gear you’ve installed and how you improved the process or function.

Share your story.

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