Fish Finder Reviews
Garmin echo 100 FishFinder Review

Garmin echo 100 Review

Garmin Echo 100: If you’re looking for a very reasonable Product, this one from Garmin would definitely fit the bill. I feel this Garmin just might be a great way to start your adventure in using a fish finder at an amazingly low price. I did thorough research and was very happy with the features you get with such a low price. Definitely worth looking into if you’re just not ready to fork over the big dollars on one that you have never used before. Highly recommended to friends and family.

garmin echo 100 fishfinder
garmin echo 100 fishfinder

Check Price on Amazon

Garmin Echo 100 Features

  • Fishfinder with four-inch, eight-level grayscale display with 240 x 160-pixel resolution
  • 8 level grayscale clear display giving excellent clarity for white line and Fish Identification
  • Single-beam sonar with 200KHz
  • Fish ID+ interprets sonar returns and displays Fish Symbol when requirements are met
  • Programmable fish and depth alarms (fish alarm works together with Fish ID+)Transom-mount transducer included; one-year warrant
  • Waterproof

Sonar Options

Single Beam Sonar


A quick-release, tilt mount and versatile transom-mount transducer make installation a snap… Mount & Go couldn’t be simpler

Depth Capabilities

Max Depth. 600ft. fresh water..300 ft salt water


  • Sharp 4″ diagonal FSTN 8-level grayscale display
  • 4” diag, (10.16 cm)
  • Display size is 2.38” X 3.21”
  • Resolution is 160 X 256 Pixels
  • With the Ultrascroll Fish targets are displayed at higher boat speeds
  • Water temperature sensor is included
  • The single-beam (200 kHz) transmitter with 100 W (RMS) of sonar power lets you scan to depths of up to 600 ft (182.88 m) — ample for most freshwater lakes


5 key controls…

Frequency, Watts, Power, and Cables

  • Transmit Power…
  • 100W…(9RMS) 800W (peak to peak)
  • Voltage Range..10V-20V input
  • Frequency is 200 kHz

Alarms and Alerts

Does have audible alarms

Mounting System

  • Quick release mount with tilt and swivel
  • Quick-release tilt mount and versatile transom-mount transducer are included in the box to make installation a snap. Right up my alley, nice and simple.


2.8 x 4.1 x 5.8 inches ; 9.6 ounces

In the Box

  • Garmin echo 100
  • Quick release mount with tilt and swivel
  • Power cable
  • Transducer w/ mounting bracket, hardware and trolling motor clamp
  • Documentation

Garmin echo 100 Pros & Cons

Garmin Echo 100 Pros

  • User-friendly
  • Performs well
  • Value for money
  • Features, Quality
  • High resolution

Garmin Echo 100 Cons

  • No Dual-Beam
  • No display of water speed
  • Didn’t like that you have to go through the menu to see the battery voltage, would have been nicer to have it always displayed on unit

Great reviews from users of this unit from the price to the simplicity of use, can’t go wrong with this unit.

Check Price on Amazon


I feel that the Garmin 100 echo offers an enormous amount of value for the price, with all the features found on much more expensive fish finders, this is a great deal…So many users commented on it being very secure plus very easy to use.