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Features to Look For in a Fish Finder GPS Combo for Deep Sea Fishing

kokou adzo



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Deep sea fishing—deep waters, strong fish, unpredictability, and excitement. What more could an angler ask for? A great rod and the best fish finder GPS combo, of course. You likely already have a rod you take with you every time you’re out fishing, but how should you go about choosing a fish finder GPS combo for deep-sea fishing? Continue reading to learn more about the most important features to keep in mind while shopping so you can get the best one for your fishing adventures.

Screen Size

Before making a purchase, the fish finder’s screen size should be given significant consideration. With a plethora of sizes offered by leading brands, you can discover the ideal device that suits your requirements. Opting for the largest screen available is strongly advised, as bigger screens offer enhanced visibility and present sonar returns with superior size and clarity. Furthermore, they facilitate the use of split screens, enabling the simultaneous display of GPS navigation and sonar imagery, thereby enhancing their usefulness.


Few things are as exasperating as a sluggish fish finder. When seeking a saltwater fish finder, it is crucial to select one with a swift response time to guarantee precise and real-time readings.

This requirement extends to the navigational aspect of your fish finder. Seek out a device endowed with ample processing power and a user-friendly interface featuring intuitive controls and menus. This ensures seamless and swift operation, allowing you to utilize it effortlessly while on the water.

Range, Cone Angle, Beam

When shopping for a fish finder, it’s important to give due consideration to its range. A longer range enables you to cover a wider area, increasing your chances of locating the desired school of saltwater fish. Additionally, pay attention to the transducer’s cone angle, which should align with your fishing requirements.

Cone angles typically range between 10 and 60 degrees, with a 20-degree cone being commonly used for saltwater fishing. Higher-angle cones are beneficial for covering larger areas, while lower-angle cones allow for more precise depth penetration. Dual cones provide a wider range, enhancing detection capabilities.

The performance of your fish finder is also influenced by the beam shape and the number of beams. Most modern saltwater fish finders are equipped with single, multi, or side beams. Single beams are suitable for simplicity, while multi-beam and side beam transducers offer increased coverage, particularly in deeper depths.

Graphical Interface

Prioritize a fish finder that provides an intuitive graphical interface, allowing you to concentrate on fishing instead of struggling to interpret the screen. Avoid models that appear outdated, resembling ancient cellphone displays, as they can be counterproductive to your fishing experience.

Touchscreen or Push-Button Operation

Both touchscreens and push-button operation options offer distinct advantages, and the choice ultimately depends on personal preference. Touchscreens excel in terms of speed and navigation, making inputting coordinates effortless. They also maximize the unit’s size by eliminating the need for physical buttons and occupying less space. On the other hand, push-button models are user-friendly and facilitate adjustments to the sounder while in motion, making them more convenient for on-the-go use.


Although advanced features often accompany higher price tags, it is not necessary to drain your finances to find a dependable and precise fish finder. Thoroughly research and compare various models, as there are plenty of excellent fish finders available at different price points. Ensure that the chosen device not only fits your budget but also fulfills your specific requirements.

Choosing the ideal fish finder may seem overwhelming, but by considering factors such as range, cone angle, GPS functionality, responsiveness, display size, graphical interface, and price, you will be able to buy the perfect device that aligns with your fishing needs.

Now that you know about all the essential features to look for in a fish finder GPS combo for deep-sea fishing, nothing’s stopping you from getting an awesome one. What are you waiting for, it’s time to start shopping!

Kokou Adzo is the editor and author of He is passionate about business and tech, and brings you the latest Startup news and information. He graduated from university of Siena (Italy) and Rennes (France) in Communications and Political Science with a Master's Degree. He manages the editorial operations at

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