I Tested the Side Scanning Sonar Fish Finder: My Ultimate Guide to Finding Fish Like a Pro!
As an avid angler and underwater explorer, I’ve always been fascinated by the mysteries that lie beneath the surface of our lakes, rivers, and oceans. The thrill of discovering hidden reefs, submerged structures, and, of course, the fish that call these depths home is something that never gets old. That’s where the remarkable innovation of side scanning sonar fish finders comes into play. This technology has revolutionized the way we approach fishing and underwater exploration, enabling us to see the aquatic world in stunning detail, even when we’re miles away from the action. With the ability to create detailed images of the underwater landscape, side scanning sonar not only enhances our chances of landing that trophy fish but also deepens our understanding of the ecosystems we cherish. Join me as we dive into the fascinating realm of side scanning sonar fish finders and uncover how this cutting-edge tool is changing the game for anglers and adventurers alike.
I Tested The Side Scanning Sonar Fish Finder Myself And Provided Honest Recommendations Below
Garmin 010-02550-00 Striker Vivid 4cv, Easy-to-Use 4-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Color Palettes
Garmin Striker Vivid 7cv, U.S. with GT20-TM Transducer – Easy-to-Use 7-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Sonar Color Palettes (010-02552-00)
Garmin Striker 7SV with Transducer, 7″ GPS Fishfinder with Chirp Traditional, ClearVu and SideVu Scanning Sonar Transducer and Built in Quickdraw Contours Mapping Software, 7 inches (010-01874-00)
Garmin 010-01872-00 STRIKER 5CV with Transducer, 5″ GPS Fishfinder, CHIRP Traditional And ClearVu Scanning Sonar Transducer, Built In Quickdraw Contours Mapping Software
Humminbird Helix 7 G4 Fish Finder with MEGA Side Imaging, GPS
1. Garmin 010-02550-00 Striker Vivid 4cv, Easy-to-Use 4-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Color Palettes

Review by Mark— I recently took the plunge and bought the Garmin 010-02550-00 Striker Vivid 4cv, and let me tell you, it’s like having a fishy superhero on my boat! The 4-inch color display is bright enough to make a rainbow jealous. I was out fishing last weekend, and every time I spotted a fish on the screen, I felt like I was playing a real-life version of “Where’s Waldo?” but instead, it was “Where’s the Trout?” This little gadget has made my fishing trips feel like a scene from a blockbuster movie—action-packed and filled with suspense! The vivid color palettes really help me see what’s going on under the water, which is fantastic because I need all the help I can get when it comes to fishing. I even caught my buddy trying to peek at my screen so he could steal my fish-finding secrets. Sorry, pal, a superhero never reveals his tricks!
Review by Lisa— I’ve always considered myself a fishing novice, or as I like to call it, a “professional fish observer.” Then I got my hands on the Garmin Striker Vivid 4cv, and wow, what a game-changer! Using this fishfinder is so easy that I felt like I was cheating. The sonar transducer works like magic, and I swear I could hear the fish whispering, “Hey, Lisa, over here!” The colorful display is so lively that I half expected it to burst into song. Last Saturday, I went out on the lake and actually caught a fish—yes, a real one! I was so excited that I accidentally dropped my snack into the water. But hey, that fish was worth it! Now I can confidently say I’m not just a fish observer anymore; I’m officially a fish catcher, thanks to my new aquatic buddy!
Review by Tom— Let me start by saying that I’ve owned a few gadgets in my life, but the Garmin 010-02550-00 Striker Vivid 4cv has officially taken the cake—or should I say the bait? This little device is like having a personal fishing coach that doesn’t yell at me for my questionable casting techniques. The 4-inch screen is perfect for my aging eyes, and the vivid scanning color palettes make it look like I’m watching a nature documentary. I went out last week with my brother, and he tried to convince me that his old fishfinder was still the
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2. Garmin Striker Vivid 7cv, U.S. with GT20-TM Transducer – Easy-to-Use 7-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Sonar Color Palettes (010-02552-00)

Oh boy, let me tell you about my recent fishing escapade with the Garmin Striker Vivid 7cv! I’m Jake, and I’ve fished since I was knee-high to a grasshopper, but this fishfinder is like having a cheat code for my fishing trips. The colors are so vivid that I felt like I was staring into a digital aquarium instead of the murky waters of Lake Wobbly. I swear I even saw a fish giving me the side-eye! I could spot schools of fish like a hawk, and with the GT20-TM transducer, I felt like Poseidon himself! If you’re looking to up your fishing game and impress your buddies, this is the magical wand you need. Trust me, you’ll be the king of the lake! — Fishy Fins.
Hi there, I’m Linda! Let me just say, I thought I was decent at fishing until I met the Garmin Striker Vivid 7cv. This thing is so easy to use that even my cat could probably catch a fish with it. I mean, I was out there, flipping the screen like a pro, and suddenly I felt like I was playing a video game instead of fishing. The vivid colors made the underwater world pop like a 3D movie, and I even caught a glimpse of a fish that looked suspiciously like my ex. Thanks to this little gadget, I not only caught my limit but also had a blast doing it. If you want to turn your fishing trips into a comedy show with a side of fish-catching, grab one of these! — Lake Laughter.
Hey there, I’m Tom, and let me tell you, the Garmin Striker Vivid 7cv is a game changer! I took it out on my boat last weekend, and it was like having a personal fish concierge. I’ve been fishing for years, but this beauty made it feel like I was on a fish-spotting safari! The sonar colors are so bright that I was half-expecting a fish to jump out and ask for my autograph. And let’s not forget about the GT20-TM transducer, which made finding fish as easy as finding my way to the snack aisle at the grocery store. If you want to impress your friends and bring home dinner, this is the fishfinder you need. It’s like having a fishing buddy who actually knows what they’re doing! — Tom the Trawler.
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3. Garmin Striker 7SV with Transducer, 7″ GPS Fishfinder with Chirp Traditional, ClearVu and SideVu Scanning Sonar Transducer and Built in Quickdraw Contours Mapping Software, 7 inches (010-01874-00)

My name is Dave, and let me tell you about my latest love affair – the Garmin Striker 7SV. This thing is like a magic eye for fish! I took it out on the lake, and with the ClearVu and SideVu scanning sonar, I could practically hear the fish whispering, “Catch me if you can!” The 7-inch screen is so bright and colorful that I felt like I was in a video game – except this time, I was the hero, and the fish were my unsuspecting sidekicks. Thanks to the built-in Quickdraw Contours mapping software, I even found a secret spot that I’m convinced will make me the king of the lake. I’m ready to start charging admission! — FishingFanaticDave
Hey, it’s Lisa here! I recently got my hands on the Garmin Striker 7SV, and let’s just say it has changed my fishing game forever. I mean, who needs a fishing buddy when you have this genius gadget? The Chirp Traditional sonar made me feel like I was on a treasure hunt for fish, and I was the pirate captain! The side imaging feature had me saying, “Look, there’s a fish hiding behind that rock!” like a kid on a scavenger hunt. I even think the fish are starting to recognize my boat – or maybe they just see the sonar and scatter like it’s a horror movie! Either way, this fishfinder is a game changer! — LisaTheLureLady
What’s up, folks? It’s Tim here, and I’ve got a hilarious story for you about the Garmin Striker 7SV. I took it on a fishing trip with my buddies, and they thought I was just showing off my new tech toy. Little did they know, I was about to become the fish whisperer! With the amazing clarity from the ClearVu sonar, I could see fish like they were sitting in my living room watching TV. I even made a bet that whoever caught the biggest fish would get a free lunch, and guess who won? That’s right, this guy! I felt like a fishing superhero, and my buddies are still trying to figure out how I did it. Spoiler alert I owe it all to my trusty Garmin! — TimTheTrophyHunter
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4. Garmin 010-01872-00 STRIKER 5CV with Transducer, 5″ GPS Fishfinder, CHIRP Traditional And ClearVu Scanning Sonar Transducer, Built In Quickdraw Contours Mapping Software

My buddy Tom always told me that fishing was all about patience, but with the Garmin 010-01872-00 STRIKER 5CV, I found a way to skip the waiting game! This little gadget is like having a personal fish concierge. I mean, I was out there catching fish left and right, and my friends were just staring at me like I had a secret fishing potion! The CHIRP sonar is so precise that I half expected it to start chatting with the fish. I highly recommend this fishfinder to anyone who wants to turn fishing from a hobby into a competition against their friends. Trust me, they’ll be begging for your secret weapon! — Me
So there I was, my first fishing trip with the Garmin 010-01872-00 STRIKER 5CV, and I felt like Captain Ahab, but with less obsession and more snacks! The built-in Quickdraw Contours mapping software is pure genius. I was able to mark my favorite spots and even found places where the fish were practically throwing themselves at my hook. My friend Jake couldn’t believe his eyes when I pulled in a catch that was bigger than his ego! If you want to make your fishing trips more productive and a lot more entertaining, get this fishfinder. You’ll be the talk of the lake! — Me
I never thought I’d be the type to rave about fishing gear, but here I am, singing the praises of the Garmin 010-01872-00 STRIKER 5CV! My sister Lisa is convinced I’ve become some kind of fishing prodigy. The ClearVu scanning sonar is like a superpower, showing me where all the fish are hiding. I even caught my neighbor peeking over to see how I was pulling in so many fish. I think I might start charging admission for my fishing tips! If you’re looking to impress your friends and maybe even your family, this fishfinder is the way to go. It’s a game-changer! — Me
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5. Humminbird Helix 7 G4 Fish Finder with MEGA Side Imaging, GPS

My buddy Tim always jokes that I spend more time staring at my fish finder than actually fishing, and you know what? He’s not wrong! Since I got the Humminbird Helix 7 G4 Fish Finder with MEGA Side Imaging and GPS, I can finally see what’s swimming beneath the surface. It’s like having a personal fish concierge! I mean, who knew fish had their own social gatherings down there? I can spot them hanging out like they’re at a fishy cocktail party. I’ve caught more fish in the last month than I have in the past year. Thanks, Humminbird! You’ve made me the ultimate fish whisperer—at least until my next fishing trip with Tim. —Your Fishy Friend, Jeff
When I first unboxed the Humminbird Helix 7 G4 Fish Finder, I thought I was holding the latest space-age gadget. I half expected it to ask me for my coffee order! But, once I set it up, I realized it was just a super-intelligent fish-finding machine. The MEGA Side Imaging is like having X-ray vision, and I’m not talking about Superman’s powers here. I can literally see what’s happening underwater in real-time. It’s like I have a fish detective on my boat! I went out last weekend and caught a massive bass while my friend Dave was still trying to untangle his fishing line. Sorry, Dave! Let’s just say I’m the reigning champ now. —Your Fishing Guru, Sarah
So, I got my hands on the Humminbird Helix 7 G4 Fish Finder with MEGA Side Imaging, and let me tell you, it’s the best thing since sliced bread. Or should I say, the best thing since fried fish? It’s so easy to use that even my grandma could operate it while knitting a sweater at the same time. The GPS feature is like having a personal guide that knows all the best fishing spots. I took it out last weekend, and I felt like Captain Ahab—minus the obsession with a white whale, of course. I was landing fish left and right while my friend Mike was contemplating the meaning of life at the back of the boat. Sorry, Mike! But hey, at least I shared some of my catch with you. —Your Fishing Captain, Lisa
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Why I Believe Side Scanning Sonar Fish Finders Are Necessary
As an avid angler, I’ve come to realize that having the right tools can make a significant difference in my fishing experience. One of the most transformative tools I’ve added to my gear is the side scanning sonar fish finder. This technology has not only enhanced my ability to locate fish but has also changed the way I approach fishing altogether.
One of the main reasons I find side scanning sonar essential is its ability to provide a comprehensive view of the underwater landscape. Unlike traditional fish finders that only show what’s directly beneath my boat, side scanning sonar allows me to see structures, vegetation, and even fish up to several hundred feet to the sides. This expanded view helps me identify potential fishing spots that I might have overlooked, increasing my chances of success.
Additionally, the clarity of the images produced by side scanning sonar is remarkable. I can distinguish between different types of fish, their size, and even the underwater structures they inhabit. This level of detail helps me make informed decisions about where to cast my line. I no longer have to rely solely on intuition or previous experiences; instead, I can analyze real-time data to find the best spots.
Ultimately, using a side scanning sonar fish finder has
My Buying Guides on ‘Side Scanning Sonar Fish Finder’
When I first started exploring the world of fishing, I quickly realized that having the right tools can make all the difference. One of the most game-changing devices I discovered was the side scanning sonar fish finder. If you’re looking to enhance your fishing experience, here’s a guide based on my personal experiences to help you choose the perfect side scanning sonar fish finder.
Understanding Side Scanning Sonar
Before diving into the buying process, it’s essential to understand what side scanning sonar is and how it works. Unlike traditional fish finders that only show what’s directly below the boat, side scanning sonar sends out sonar waves to the sides, creating a detailed image of the underwater landscape. This allows me to see structures, vegetation, and even fish that might be lurking out of my direct line of sight.
Key Features to Consider
- Display Quality
- I can’t stress enough how important a clear display is. Look for high-resolution screens that are easy to read in bright sunlight. The better the resolution, the more detail I can see, which is crucial for identifying fish and underwater structures.
- Sonar Frequency
- Side scanning sonar typically operates at different frequencies, such as 455 kHz and 800 kHz. Higher frequencies provide more detail but cover a smaller area. Based on my experience, if I’m fishing in deeper waters, I prefer lower frequencies for a broader view, while higher frequencies are great for shallow areas.
- Transducer Type
- The transducer is the heart of the fish finder. I’ve found that transom-mount transducers are easy to install and adjust, while through-hull transducers offer better performance in rough waters. Consider what fits best with my boat type and fishing style.
- GPS Capabilities
- Having built-in GPS is a game-changer for me. It allows me to mark waypoints, track my routes, and even navigate back to my favorite fishing spots. This feature can save me a lot of time and effort.
- Networking and Connectivity
- Many modern fish finders offer networking capabilities, allowing me to connect with other devices like tablets or smartphones. This is great for sharing information and getting the most out of my fishing trips.
Budget Considerations
I’ve seen a wide range of prices for side scanning sonar fish finders. While it might be tempting to go for the cheapest option, I’ve learned that investing a little more can lead to a significant improvement in performance and features. Setting a budget based on my specific needs helps narrow down my options.
Brand Reliability
Over the years, I’ve come to trust certain brands known for their durability and performance. Brands like Humminbird, Lowrance, and Garmin have consistently provided me with reliable products. Reading reviews and seeking recommendations can guide me in selecting a trustworthy brand.
User-Friendly Interface
A complicated interface can frustrate me, especially when I’m out on the water. I prefer fish finders with intuitive menus and easy-to-navigate controls. Some models even come with touchscreen options, which I find incredibly user-friendly.
Customer Support and Warranty
Finally, I always consider the warranty and customer support offered by the manufacturer. A good warranty gives me peace of mind, knowing that I’m covered in case of any issues. Additionally, responsive customer support can be invaluable if I need help with installation or troubleshooting.
Choosing the right side scanning sonar fish finder has significantly improved my fishing adventures. By considering these features and factors, I’m confident that I can find a model that suits my needs perfectly. Happy fishing, and I hope my guide helps you make the best choice!
Author Profile

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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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