Are you looking for a high-quality fish finder that won’t break the bank? If so, you’re in luck! There are plenty of great options available for under $700 that offer advanced features and reliable performance.
In our in-depth analysis, we’ve considered factors like sonar capabilities, display resolution, GPS functionality, and ease of use to ensure you get the most out of your investment. No matter if you’re a casual hobbyist or a seasoned professional, these top-rated fish finders will help you stay ahead of the game in the ever-evolving world of angling. So, get ready to cast your line and reel in the best catches with our expert recommendations for the best fish finder under $700.
Top Picks for the Best Fish Finder Under $700
- Garmin ECHOMAP UHD 73sv
- Humminbird Helix 7 Chirp DS GPS G3N
- Garmin Striker Vivid 9sv
- Lowrance Hook Reveal 7 TripleShot
- Lowrance Hook Reveal 9 TripleShot
Why Use a Fish Finder?
Fish finders are incredibly useful tools for any angler. They use sonar technology to detect fish and other objects underwater, allowing you to easily locate and target your catch. This can save you a lot of time and frustration, especially when fishing in unfamiliar waters. Fish finders can also provide information about water depth, temperature, and other conditions that can affect your fishing success.

Factors to Consider
Before we dive into our top picks for fish finders under $700, let’s take a look at some key factors to consider when choosing a model:
Screen Size and Resolution
A larger screen size and higher resolution can make it easier to read and interpret the information provided by your fish finder. However, keep in mind that larger screens can be more expensive.
Transducer Type
The transducer is the part of the fish finder that sends and receives sonar signals. Different types of transducers are designed for different types of fishing, so it’s important to choose one that matches your needs.
GPS and Mapping
Some fish finders come with built-in GPS and mapping capabilities, which can be incredibly helpful for navigating and marking fishing spots.
Connectivity and Compatibility
Many modern fish finders can be connected to other devices, such as smartphones or chartplotters, for even more functionality.
Best Fish Finders Under $700: Reviews & Recommendations
Now that you know what to look for in a fish finder, let’s take a look at some of our top picks for models under $700:
Garmin ECHOMAP UHD 73sv Fish Finder

Looking for a high-quality fish finder to make your fishing experience more enjoyable? The Garmin ECHOMAP UHD 73sv Fish Finder is the perfect tool for you. With a bright, sunlight-readable 7” touchscreen with keyed assist, you’ll be able to easily navigate through the device’s features and settings.
The optional GT54 transducer provides ultra high-definition ClearVü and SideVü scanning sonars, which deliver crystal-clear images of what’s around and below your boat. You’ll also appreciate the Garmin high wide CHIRP traditional sonar, which delivers remarkable target separation, making it easier to find fish.
The ECHOMAP UHD 73sv combo comes preloaded with LakeVü G3 inland maps with integrated Navionics data that cover more than 17,000 lakes with up to 1’ contours. This feature is a real game-changer, as it makes it much easier to locate fishing spots and navigate to them.
Another great feature of the ECHOMAP UHD 73sv is its sonar sharing capabilities with other ECHOMAP Plus, ECHOMAP UHD and ECHOMAP Ultra units. This means you can share your sonar data with other fishermen in your group, making it easier for everyone to find fish.
Pros
- Bright, sunlight-readable 7” touchscreen with keyed assist
- Optional GT54 transducer provides ultra high-definition ClearVü and SideVü scanning sonars
- Preloaded LakeVü G3 inland maps with integrated Navionics data cover more than 17,000 lakes with up to 1’ contours
- Sonar sharing capabilities with other ECHOMAP Plus, ECHOMAP UHD and ECHOMAP Ultra units
Cons
- GT54 transducer is sold separately
Humminbird Helix 7 Chirp DS GPS G3N Fish Finder

Looking for a high-quality fish finder that can help you find your next big catch? The Humminbird Helix 7 Chirp DS GPS G3N Fish Finder is a fantastic option to consider. With its Dual Spectrum CHIRP technology, you’ll get a clear view of what’s below the surface. The wide mode provides maximum coverage, while the narrow mode gives you maximum detail, so you’ll never miss a thing.
The SwitchFire Sonar feature is also a game-changer, allowing you to customize how your sonar returns appear. You can adjust for water depth, temperature, and turbulence, and even watch lure presentations in real-time with just the push of a button. This level of control can make all the difference when you’re out on the water.
One of the standout features of the Humminbird Helix 7 Chirp DS GPS G3N Fish Finder is its Bluetooth connectivity. With the Humminbird FishSmart app, you can wirelessly update the device’s software, and you can even display notifications from your phone on the screen. You can also take advantage of an optional Bluetooth remote (RC2) to control your most-used features, keeping your hands free for reeling in your next big catch.
While the Humminbird Helix 7 Chirp DS GPS G3N Fish Finder is on the pricier side, it’s worth the investment for serious anglers who want the best equipment. Plus, the device is compatible with both Humminbird LakeMaster and Navionics maps, giving you access to detailed cartography for saltwater and freshwater applications.
Pros
- Dual Spectrum CHIRP technology offers both wide mode for maximum coverage and narrow mode for maximum detail
- SwitchFire Sonar lets you customize how your sonar returns appear, including adjustments for depth, temperature, and turbulence
- Bluetooth connectivity allows for wireless software updates and notifications from your phone, as well as the option to use an optional Bluetooth remote
- Compatible with Humminbird LakeMaster and Navionics maps for detailed cartography
Cons
- For me it’s difficult to operate at the beginning time
Garmin Striker Vivid 9sv

If you’re looking for a reliable fish finder that’s both user-friendly and efficient, the Garmin Striker Vivid 9sv fish finder with Transducer and Protective Cover is an excellent option to consider. With its 9-inch color fishfinder and new vivid scanning sonar color palettes, you can easily distinguish fish and underwater structures. The device supports Garmin CHIRP traditional sonar, as well as CHIRP ClearVü and CHIRP SideVü scanning sonars (requires compatible transducer).
The Garmin Striker Vivid 9sv fish finder also features a high-sensitivity GPS to mark waypoints, create routes, and view your boat’s speed. Additionally, it comes with built-in Quickdraw Contours mapping and Wi-Fi connectivity. With the Wi-Fi feature, you can connect to the ActiveCaptain app using a compatible smartphone to transfer waypoints, receive smart notifications (including software update notifications), and access the Garmin Quickdraw Community.
One of the standout features of this fish finder is its ease of use. The device is incredibly user-friendly and comes with everything you need to get started, including a genuine Garmin Protective Cover, GT52HW-TM transducer, power/data cable, 12-pin to dual 4-pin transducer adapter cable, tilt/swivel mount, hardware, and Garmin bumper sticker. You can use it straight out of the box without needing to purchase any additional equipment.
Pros
- Easy-to-use 9-inch color fishfinder with new vivid scanning sonar color palettes
- Supports multiple sonar options, including Garmin CHIRP traditional sonar, CHIRP ClearVü, and CHIRP SideVü scanning sonars
- Comes with high-sensitivity GPS, built-in Quickdraw Contours mapping, and Wi-Fi connectivity
- Includes all necessary equipment to get started right away, including a protective cover, transducer, mount, and cables
Cons
- The transducer may need to be purchased separately depending on your needs and preferences.
Lowrance Hook Reveal 7 TripleShot

Are you in search of the perfect fish finder to enhance your fishing experience? Look no further! The Lowrance Hook Reveal 7 Inch Fish Finder with Transducer has got you covered. If you’re looking for a high-quality, budget-friendly device that offers remarkable features, this is the one for you.
Do you struggle with identifying fish and finding the best spots to cast your line? The FishReveal feature in the Lowrance Hook Reveal 7 Inch Fish Finder combines the target separation of Lowrance CHIRP sonar with the high-resolution images of structure from DownScan Imaging, making fish easier to find and identify. If you’re looking for a reliable fish finder to navigate through inland waters, the high-detail maps of almost 4,000 US inland lakes are a great asset. Additionally, you can create custom contour maps with Genesis Live for an even more detailed overview of any map or GPS plotter.
Have you ever wished for a fish finder that provides clear views of the underwater world? The SplitShot Transducer in this device is perfect for anglers who want the best views below the boat, featuring wide-angle high CHIRP sonar and the high-resolution images of fish-holding structure from DownScan Imaging. Moreover, the Hook Reveal autotuning sonar ensures you get the best sonar image every time by automatically adjusting settings as fishing conditions change, so you can focus on what really matters – fishing!
The 7-inch SolarMAX display offers crisp and clear views, no matter the conditions – even in direct sunlight. If you’re looking for an affordable, user-friendly fish finder that does not compromise on quality, the Lowrance Hook Reveal 7 Inch Fish Finder with Transducer is a must-have.
Pros
- FishReveal feature for easier fish identification
- High-detail inland maps and custom contour maps with Genesis Live
- SplitShot Transducer for clear underwater views
- Autotuning sonar for optimal performance
- 7-inch SolarMAX display for excellent visibility
Cons
- May not be suitable for offshore anglers due to the focus on inland maps
Lowrance Hook Reveal 9 Fish Finder

If you’re an angler looking for a high-quality fish finder, then the Lowrance Hook Reveal 9 is an excellent choice. With its 9-inch display, TripleShot transducer, and FishReveal technology, you can quickly locate and identify fish in any water body.
One of the standout features of the Hook Reveal 9 is its FishReveal technology, which combines the target separation of CHIRP sonar with the high-resolution images of structure from DownScan Imaging. This makes fish easier to find and identify, even in challenging conditions.
Another advantage of the Hook Reveal 9 is its high-detail inland maps, which cover nearly 4,000 US inland lakes. You can also create custom contour maps with even greater detail using Genesis Live, which will help you get on the fish faster.
The TripleShot transducer is perfect for anglers who want all their sonar from a single source, providing wide-angle high CHIRP sonar and high-resolution images of fish-holding structures from SideScan and DownScan Imaging. The autotuning sonar of HOOK Reveal also ensures that you get the best sonar image every time by automatically adjusting settings as fishing conditions change.
Pros
- FishReveal technology makes it easier to locate and identify fish.
- High-detail inland maps and custom contour maps with Genesis Live.
- TripleShot transducer provides all sonar from a single source.
- Autotuning sonar adjusts settings for the best image.
Cons
- Not suitable for kayak fishing
FAQs
What’s the difference between CHIRP and DownScan sonar?
CHIRP sonar sends out a continuous range of frequencies, providing more detailed and accurate readings of fish and underwater structures. DownScan sonar uses a narrow, high-frequency beam to provide detailed images of the bottom of the water.
Can I use a fish finder in saltwater?
Yes, most fish finders are designed to work in both freshwater and saltwater environments.
Do I need a separate GPS device if my fish finder has built-in GPS?
It depends on your needs. Some anglers prefer to have a dedicated GPS device for navigation purposes, while others find that a fish finder with built-in GPS is sufficient.
How do I know what transducer is right for me?
Consider factors like the type of fishing you do, the depth of the water you’ll be fishing in, and the size and species of fish you’re targeting.
Can I use a fish finder from shore?
Yes, many fish finders can be used from shore or a dock with a portable transducer that can be cast out into the water.
Final words
In conclusion, selecting the best fish finder under $700 doesn’t have to be an overwhelming task. Our carefully curated list of the top five models ensures that you have access to the most effective and reliable devices to elevate your angling experience. With a combination of cutting-edge technology and excellent value for money, these fish finders will undoubtedly prove to be invaluable assets on your fishing adventures.
Remember that each fish finder has its unique features and strengths, so it’s essential to choose one that caters to your specific needs and preferences. By investing in the right fish finder, you’ll be better equipped to locate and catch more fish, making your time on the water more enjoyable and productive.
Our tested some budget options:
- Fish Finder Under $100
- Fish Finder Under $300
- Fish Finder Under $400
- Fish Finder Under $500
- Fish Finder Under $1000