Best Fish Finder GPS Combo For Saltwater Reviews in 2021

Choosing the best fish finder GPS combo for saltwater is easy. Imagine you’re out on a lake, and you haven't caught any fish.

You’ve gotten a fishing rod, the best bait offered in the nearby town, and you’re in a prime location. For some reason, the fish have decided to go into hiding.

You look into the water, only to find the water is too murky to see into. You don’t know if the fish are out towards the middle of the lake or hiding in the reefs near the shore.

While you can’t see the fish, you know they’re sitting there. That’s why you should invest in the fish finder GPS Combo for saltwater, a simple gadget that will help you find out where the fish are hiding.

If you’ve never used a fish finder, you’re missing out. They can locate and track the fish for the location where you are. They scan under the waves and pinpoint where each fish is in proportion to your location.

They can tell the temperature of the water, and how deep it is in certain spots. This guide and review will talk about the best fish finder GPS Combo for saltwater available on the market. When you’re reeling the biggest fish in the pond, you’ll be thrilled you had a fish finder to help you out.

Best Fish Finder GPS Combo For Saltwater Reviews:

1. Humminbird 698ci HD SI Combo Fish Finderir?t=inflatablesma 20&language=en US&l=li3&o=1&a=B00PLRYNDM GPS Combo for Saltwater

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VGA Display

This finder features a 5-inch VGA display for a clear and bright picture. You can see your location and the depths of the water. Its bright screen is easy enough to read under bright sunlight. You can tell how fast you’re going and where the fish are hiding.

Dual Beam

The 698ci allows you to get the information you need to fish in deep and shallow water. It uses 50-200 kHz frequencies to give you the information you need. It’s ideal for those who want to try out different types of fishing.

Internal GPS

The internal GPS provides your location and speed when you’re driving your boat. It’s ideal for those who want to make sure they don’t scare the fish away. You can also see the temperature of the water, allowing you to narrow your search for the biggest fish.


The finder is programmable for you to set it to your preferences. No matter if you’re fishing in the deep or shallow water, you can change it easily. It’s the best way to find a fishing spot for you. The fish locator is easy to program for your preferences.


  • Color display is bright
  • Easy to install
  • The unit has an expanded memory card
  • The color is in high resolution
  • Sonar provides great information


  • Fish icons aren’t displayed
  • Side imaging isn’t great over six mph

2. Garmin echo 100 Fish Finder

The echo 100 is compact, allowing you to save more space when it’s installed on your boat. The mount has a quick-release that allows you to take it off and on to another boat. You can use the fish finder for any journey you want to go on.

Target Tracking

The echo 100 uses an HD-ID target tracking technology. This allows you to see everything in high definition. You won’t have any misreading when you’re using the echo 100 in a debris filled area. It has an enhanced separation and uses a grayscale for every object.

Ideal for Freshwater

If you’re planning on going fishing in a freshwater lake, then Garmin echo 100 for you. It can reach down to depths of 600 ft. You can make out anything when you combine the depth with the target tracking system. It works quickly to keep you posted on everything nearby.

Easy Installation

The echo 100 is easy to install and comes with everything you need. It has the quick-release tilt mount to install on any boat. You can tilt the fish locator to help you see everything, even in direct sunlight. It’s ideal for those who want to use different boats for fishing.


  • Includes notes for kayakers
  • Easy to use
  • The LCD screen is easy to read
  • Includes DC voltage information
  • Displays fish individually


  • No color display
  • Displays information slowly

Best Fish Finder GPS Combo For Saltwater Buying Guide

There are many factors to consider before buying a fish locator. Following these steps will provide you the information you need to find the best fish finder GPS combo for you.


  • When you’re looking for a fish locator, the frequency range is important to understand which is the best one for you. There are three types of frequencies, including dual, single, and multiple frequencies. They come in 50, 83, 192, or 200 kHz.
  • Higher frequencies, such as 192 or 200, are ideal for fishing in shallow water. Lower frequencies, such as 50 or 83, are perfect for deep water fishing. To find the right fish finder for you, knowing what area you’re planning on using it in will lead to more catches. Remember that the higher the frequency, the more detail you’ll have on the screen.


  • Wattage is how the finder is powered. The more wattage you have on the fish finder, the faster the response time will be. If you have more wattage, you can see deeper into the water and find the fish. Fishing in shallow water requires less wattage for better it is to see the surrounding area.
  • When you combine the frequency range and the wattage, you can get a clear picture of what it looks like under the surface. A good way to measure this is to remember that at 50 kHz with every 100 watts of power, you can read up to 400 feet deep. When you’re using 240 kHz at 100 watts of power, you’ll have readings up to 100 feet.

Screen Resolution

  • Just like with TV’s and computer screens, you want a high resolution to see everything. You want a fish locator that has a screen resolution of at least 240 x 160 pixels for sight. If you find that this is too blocky, and cannot tell the differences on the screen, you can opt for a higher resolution screen.
  • When you combine the frequency range and the wattage, you can get a clear picture of what it looks like under the surface. A good way to measure this is to remember that at 50 kHz with every 100 watts of power, you can read up to 400 feet deep. When you’re using 240 kHz at 100 watts of power, you’ll have readings up to 100 feet.

Screen Color

  • While the old black and white screens are becoming obsolete, they can still be practical and useful. Depending on your budget, you may need to settle for a black and white finder. They are good for those who have never had a finder before, or want one as a backup.
  • Colored screens are the new standard, and they are much more reliable than their black and white counterparts. They’re easier to read in the sun and make it easy to see what’s going on around you. If you can manage it, a glowing screen will be more helpful than the black and white screen.


  • The transducer is what makes the finder capable of finding fish. They emit and receive the sonar waves that let you know if there are fish and other objects nearby. When it receives the data, it sends it to the main unit and switches it to the screen. Without a transducer, your finder becomes a fancy screen that doesn’t display any data.
  • While every fish locator does come with a, you may want to invest in an after-market transducer. They can receive data faster, read more of the area, and work better than what comes with the box. You can start fishing right away with one, but you want to make sure you have a transducer that works for you.

Other Considerations

  • You want to consider the transducer material, cone angles, and beams for your finder

Final Verdict

A fish finder is an excellent tool you can use to help you find a fish. They’re great because of what information they can show, and how they work.

They are simple machines that can make fishing a more enjoyable outing. It is compact, easy to use, and smartphone compatible.

You can get all the sonar readings right on your phone. If you don’t own a boat, the fish finder is the one you want. It works like many of the other finders, but it attaches right to the line.

Even though it may not always be connected to your phone, you can adjust the settings. You can take it all over the world, and get a reading on the area near the shore.

It’s perfect for those who may suffer from seasickness when they’re on a boat. Hope, these top 2 fish finder GPS combo for saltwater reviews have helped you to find your desired need.

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