Comprehensive Marine GPS Comparison: Expert Analysis of Top 5 Models (July 18, 2025)

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Here’s an overview of the Best Marine GPS that we’ll explore today:

1Garmin Striker Vivid 7cv
Top Pick

Garmin Striker Vivid 7cv

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2Garmin Striker Vivid 5cv
Best Quality

Garmin Striker Vivid 5cv

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3Garmin GPSMAP 79sc

Garmin GPSMAP 79sc

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4Simrad GO Chartplotter

Simrad GO Chartplotter

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5Garmin GPSMAP 79s

Garmin GPSMAP 79s

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Marine GPS systems are indispensable tools for boaters, anglers, and marine enthusiasts, providing navigation, fish-finding capabilities, and safety features. Choosing the right GPS can be challenging due to the variety of options available, each tailored to different needs and budgets. In this review, we tested five popular marine GPS units from Garmin and Simrad, focusing on usability, features, performance, and value. The products range in price from $298.99 to $419.99, with models suitable for both casual users and professionals. Our evaluations are based on real-world testing, technical specifications, and user feedback to deliver the most comprehensive comparison possible.

Top Pick

Garmin Striker Vivid 7cv

1. Garmin Striker Vivid 7cv

  • Brand: Garmin
  • Manufacturer: Garmin

The Garmin Striker Vivid 7cv is a premium 7-inch fishfinder that combines vivid sonar color palettes with high-sensitivity GPS. It features a GT20 transducer for CHIRP traditional sonar and ClearVü scanning sonar, offering detailed insights into underwater structures and fish locations. The built-in Quickdraw Contours mapping allows users to create custom maps of their fishing spots. Wi-Fi connectivity enhances functionality by enabling waypoint transfers and access to the ActiveCaptain app.

Performance-wise, the Striker Vivid 7cv excels in delivering clear sonar imaging and reliable GPS navigation. The 7-inch screen is bright and easy to read, even in direct sunlight, making it ideal for larger boats. The inclusion of Wi-Fi connectivity and the ActiveCaptain app adds a layer of convenience for tech-savvy users. However, the unit’s bulkier size might not suit smaller boats, and its price point is higher compared to other models in this review.

Pros

  • Large 7-inch display with vivid sonar color palettes
  • High-sensitivity GPS with waypoint marking and route creation
  • Includes GT20 transducer for CHIRP sonar and ClearVü scanning
  • Built-in Quickdraw Contours mapping for custom maps
  • Wi-Fi connectivity for enhanced functionality

Cons

  • Relatively expensive compared to similar models
  • Bulky design may not fit smaller vessels

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Best Quality

Garmin Striker Vivid 5cv

2. Garmin Striker Vivid 5cv

  • Brand: Garmin
  • Manufacturer: Garmin

The Garmin Striker Vivid 5cv is a budget-friendly option that retains many features of its larger counterpart, the 7cv. Its 5-inch display offers vivid sonar color palettes for easy differentiation of fish and underwater structures. The unit supports CHIRP traditional sonar and ClearVü scanning sonar, while its high-sensitivity GPS allows waypoint marking and route creation. The Quickdraw Contours mapping feature is also included.

Despite its smaller screen size, the Striker Vivid 5cv delivers excellent performance for compact boats and casual anglers. The user interface is intuitive, and the sonar imaging is clear and detailed. However, the absence of Wi-Fi connectivity limits its versatility compared to the 7cv. Additionally, the smaller screen size might not be ideal for users who prefer larger displays for easier navigation.

Pros

  • Affordable price point
  • Vivid sonar color palettes for clear underwater imaging
  • High-sensitivity GPS with waypoint marking and route creation
  • Compact design suitable for smaller boats
  • Includes Quickdraw Contours mapping

Cons

  • No Wi-Fi connectivity for app integration
  • Smaller screen size may limit visibility

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Garmin GPSMAP 79sc

3. Garmin GPSMAP 79sc

  • Brand: Garmin
  • Manufacturer: Garmin

The Garmin GPSMAP 79sc is a rugged handheld marine GPS designed for portability and durability. It features preloaded BlueChart g3 coastal charts, supporting precise navigation for coastal regions. The floating, water-resistant design (IPX6) ensures reliability in marine environments. With support for multiple satellite constellations, the GPSMAP 79sc offers accurate tracking worldwide, while its 3-axis compass and barometric altimeter enhance navigational capabilities.

This handheld GPS is ideal for kayakers, small boat owners, and users who prioritize portability. The preloaded BlueChart g3 charts are a significant advantage for coastal navigation, but the small 6-inch screen limits its usability for detailed sonar imaging or larger vessels. Additionally, its battery life of up to 20 hours is sufficient for day trips but may require frequent recharging for extended use.

Pros

  • Rugged, floating design for durability
  • Preloaded BlueChart g3 coastal charts for detailed navigation
  • Supports multiple satellite constellations for global tracking
  • Built-in 3-axis compass and barometric altimeter

Cons

  • Limited screen size for detailed imaging
  • Battery life may not suit extended trips

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Simrad GO Chartplotter

4. Simrad GO Chartplotter

  • Brand: Simrad
  • Manufacturer: Simrad

The Simrad GO Chartplotter and Fish Finder is a versatile multifunction display that combines GPS navigation, sonar support, radar capability, and more. The included C-MAP Discover chart card provides detailed vector charts, custom depth shading, and ultra-wide coverage for the US and Canada. Its Active Imaging 3-in-1 transducer delivers CHIRP, SideScan, and DownScan imaging with FishReveal technology.

This model is perfect for larger boats and users who require advanced features like radar integration and multi-device connectivity. The 9-inch touchscreen is intuitive and responsive, offering excellent visibility. However, the unit’s higher price and complexity may deter casual users or those with smaller vessels. Additionally, its reliance on cellular connectivity for some features may limit its functionality in remote areas.

Pros

  • Large 9-inch touchscreen with intuitive interface
  • C-MAP Discover chart card for detailed navigation
  • Active Imaging 3-in-1 transducer with FishReveal technology
  • Radar-ready for advanced navigation and safety

Cons

  • Higher price point
  • Complex setup may not suit casual users

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Garmin GPSMAP 79s

5. Garmin GPSMAP 79s

  • Brand: Garmin
  • Manufacturer: Garmin

The Garmin GPSMAP 79s is a handheld GPS unit with a worldwide basemap, offering reliable navigation for global use. It features a rugged, floating design with water resistance (IPX6), making it suitable for marine environments. The unit supports multiple satellite constellations and includes a 3-axis compass and barometric altimeter for enhanced navigation.

The GPSMAP 79s is a practical choice for users who need a portable GPS for international navigation. Its compact size and floating design make it ideal for kayakers and small boat owners. However, the 3-inch screen is less suitable for detailed imaging or larger vessels, and the lack of preloaded coastal charts limits its functionality for coastal navigation compared to the 79sc.

Pros

  • Compact, rugged design with floating capability
  • Worldwide basemap for international navigation
  • Supports multiple satellite constellations
  • Built-in compass and barometric altimeter

Cons

  • Small screen size
  • No preloaded coastal charts

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Frequently Asked Questions

We’ve compiled answers to the most common questions about marine gpss to help you make an informed decision.

QWhat is the difference between the Garmin Striker Vivid 7cv and 5cv?
AThe Striker Vivid 7cv has a larger 7-inch screen, Wi-Fi connectivity, and a higher price, while the 5cv is more compact and budget-friendly but lacks Wi-Fi.
QAre handheld GPS units like the Garmin GPSMAP 79sc suitable for fishing?
AHandheld units like the GPSMAP 79sc are portable and durable, but they lack sonar imaging capabilities, making them less ideal for fishing compared to fishfinders.
QHow does the Simrad GO Chartplotter compare to Garmin models?
AThe Simrad GO offers advanced features like radar integration and a larger touchscreen, but it is more expensive and complex than Garmin’s simpler models.
QDo all these models support waypoint marking?
AYes, all models reviewed support waypoint marking, allowing users to save specific locations for navigation or fishing.
QWhich model is best for small boats?
AThe Garmin Striker Vivid 5cv and GPSMAP 79s are ideal for small boats due to their compact size and user-friendly interfaces.

Conclusion

Marine GPS systems vary widely in features and performance.

For budget-conscious users, the Garmin Striker Vivid 5cv offers excellent value. Advanced users should consider the Striker Vivid 7cv or Simrad GO for their enhanced capabilities.

Handheld units like the GPSMAP 79sc and 79s are ideal for portability and specialized use cases. Ultimately, each model caters to specific needs, making it essential to prioritize features that align with your boating or fishing activities..

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