Best Garmin Marine Electronics of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 6 Feb 2025

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Garmin offers a range of marine electronics that are designed to enhance your boating experience. Their products include GPS navigation systems, fishfinders, chartplotters, and radar systems. These high-quality devices are known for their accuracy, durability, and ease of use. Whether you're navigating through unfamiliar waters or trying to locate the best fishing spots, Garmin's marine electronics can provide you with the information you need. With their advanced features and reliable performance, Garmin products are recommended for any avid boater or fisherman.

At a Glance: Our Top Picks

Garmin GPSMAP 79s Marine Handheld GPS Cover #TOP 1
Garmin GPSMAP 79s Marine Handheld GPS
ftb score rating icon 9.8
Garmin Striker Vivid 4cv Fishfinder with Sonar Cover #TOP 2
Garmin Striker Vivid 4cv Fishfinder with Sonar
ftb score rating icon 9.7
Garmin Fusion SM Series 6.5" Marine Speakers Cover #TOP 3
Garmin Fusion SM Series 6.5" Marine Speakers
ftb score rating icon 9.5

Top 10 Garmin Marine Electronics

#TOP 1

Garmin GPSMAP 79s Marine Handheld GPS

010-02635-00
White
No Size
Garmin GPSMAP 79s Marine Handheld GPS Cover
Garmin GPSMAP 79s, Marine GPS Handheld with Worldwide Basemap, Rugged Design and Floats in Water

The Garmin GPSMAP 79s is a rugged handheld GPS designed for marine use. Its floating, water-resistant design ensures it can withstand harsh conditions while providing reliable navigation. The high-resolution colour display, coupled with scratch-resistant and fogproof glass, allows for clear visibility in various environments. With increased memory, you can save and track up to 10,000 waypoints and 250 routes, making it perfect for adventurous users who love exploring new locations.

What We Like
Rugged and water-resistant design
High-resolution colour display
Large memory for waypoints and routes
Supports multiple satellite constellations
#TOP 2

Garmin Striker Vivid 4cv Fishfinder with Sonar

010-02550-00
4 Inch
Garmin Striker Vivid 4cv Fishfinder with Sonar Cover
Garmin Striker Vivid 4cv, Easy-to-Use 4-inch Color Fishfinder and Sonar Transducer, Vivid Scanning Sonar Color Palettes (010-02550-00)

The Garmin Striker Vivid 4cv is an easy-to-use 4-inch colour fishfinder that features vivid scanning sonar colour palettes. This allows you to easily distinguish between fish and underwater structures, enhancing your fishing experience. The included GT20 transducer provides built-in Garmin CHIRP traditional sonar and CHIRP ClearVü scanning sonar, offering clear and detailed images. With high-sensitivity GPS, you can mark waypoints, create routes, and monitor your boat's speed, making navigation straightforward. Additionally, the built-in Quickdraw Contours mapping feature allows you to create personalised maps, helping you to fish more effectively.

What We Like
Easy-to-use interface
High-sensitivity GPS
Clear sonar images
Vivid colour palettes
Built-in mapping feature
#TOP 3

Garmin Fusion SM Series 6.5" Marine Speakers

010-02263-10
White
Garmin Fusion SM Series 6.5" Marine Speakers Cover
Garmin Fusion® SM Series Marine Speakers, 6.5" 100-Watt Shallow Mount White, A Brand

The Garmin Fusion Marine Speakers feature a unique shallow mount design, making installation straightforward with a mounting depth of just 0.94 inches. Their high-end acoustic fabric finish not only looks great but also enhances the style of your boat. With a tuned, sealed enclosure, these speakers ensure quality audio reproduction while protecting the components from the elements. Furthermore, their mounting diameter clearance allows for easy retrofitting with most 6.5-inch speaker cutouts, providing you with flexibility during installation.

What We Like
Shallow mount design for easy installation
Stylish acoustic fabric finish
Quality audio reproduction
Retrofits with most 6.5” cutouts
#TOP 4

Garmin GMS10 Marine Ethernet Switch

010-00351-00
black
One Size
Garmin GMS10 Marine Ethernet Switch Cover
GMS10, Ethernet Switch

The Garmin GMS10 Switch is designed specifically for marine environments, ensuring reliable connectivity for your network. Its plug and play connection allows you to set up your system quickly and easily, saving you time on installation. With waterproof connections, you can be confident that your device will withstand the harsh conditions often encountered at sea. This makes the GMS10 an ideal choice for boat owners looking to enhance their marine electronics without hassle.

What We Like
Marine-specific design
Easy installation
Waterproof connections
Reliable connectivity
#TOP 5

Garmin GPSMAP 86i Marine Handheld GPS

GPSMAP 86i
Black
Garmin GPSMAP 86i Marine Handheld GPS Cover
Garmin GPSMAP 86i Marine Handheld GPS With inReach SOS Capabilities

The Garmin GPSMAP 86i is designed for ease of use on the water with its water-resistant and floating design. Its sunlight-readable 3" display and button operation make it simple to navigate, even in bright conditions. You can stream boat data from compatible chart plotters, ensuring all your marine information is conveniently consolidated. Additionally, the inReach satellite communication feature allows you to stay connected through two-way text messaging, giving you peace of mind during your adventures.

What We Like
Water-resistant and floating design
Sunlight-readable display
Boat data streaming
Two-way text messaging
#TOP 6

Garmin GPSMAP 79sc Marine Handheld GPS

010-02635-02
Black
No Size
Garmin GPSMAP 79sc Marine Handheld GPS Cover
Garmin GPSMAP 79sc, Marine GPS Handheld Preloaded With BlueChart g3 Coastal Charts, Rugged Design and Floats in Water

The Garmin GPSMAP 79sc is an advanced marine handheld GPS designed for ease of use on the water. It features increased memory that allows you to save and track up to 10,000 waypoints, making navigation effortless. With 250 preloaded routes, you can easily explore new areas without losing your way. Additionally, it comes with BlueChart g3 coastal charts, providing detailed information about coastal regions. The rugged design ensures durability, and it even floats in water, so you won’t have to worry if it accidentally slips from your grasp.

What We Like
Tracks 10,000 waypoints
250 preloaded routes
Detailed BlueChart g3 included
Rugged and durable design
Floats in water
#TOP 7

Garmin 86i Portable Marine GPS with Satellite Communication

010-02236-01
Black, Orange
Garmin 86i Portable Marine GPS with Satellite Communication Cover
Garmin 86i Portable Marine GPS with Satellite Communication Capabilities inReach

The Garmin 86i GPS is designed for marine enthusiasts, offering a water-resistant, floating design that ensures usability on the water. Its 3-inch sunlight-readable display makes navigation easy, even in bright conditions. You can stay connected through the inReach satellite communication, allowing for two-way text messaging via the global Iridium network. This feature provides peace of mind, enabling you to call for help in emergencies. Additionally, it works as a remote control for your Garmin autopilot and compatible marine products, enhancing your boating experience.

What We Like
Water-resistant and floating design
Sunlight-readable display
Global satellite communication
Remote control for autopilot
#TOP 8

Garmin Striker Cast GPS Sonar Device

010-02246-02
Blue
One Size
Garmin Striker Cast GPS Sonar Device Cover
Garmin Striker Cast Castable with GPS Sonar Device, Easy to Read Sonar, 60m Castable Range, Quick Set Up, Up to 10 Hours of Rechargeable Battery Life, Blue

The Garmin Striker Cast is a versatile castable sonar device that connects to your smartphone or tablet via the free STRIKER Cast app. You can easily set it up and start fishing in minutes. With built-in GPS, you can create custom fishing maps, enhancing your fishing experience. The device streams traditional 2-D sonar and ice fishing flasher modes wirelessly from up to 200 feet away, allowing you to locate fish with ease. Its rugged design makes it suitable for both shallow and deep waters, ensuring durability and reliability.

What We Like
Easy to set up
Custom fishing maps
Wireless streaming
Rugged and lightweight
Long battery life
#TOP 9

Garmin Fusion MS-NRX300 Marine Wired Remote

010-01628-02
Black
Garmin Fusion MS-NRX300 Marine Wired Remote Cover
Garmin Fusion MS-NRX300, Black Marine Wired Remote with Connectivity to The NMEA 2000® Network

The Garmin MS-NRX300 Remote is an essential addition to your marine electronics setup. With its Multi-Zone Technology, you can control different audio zones independently, enhancing your listening experience on the water. The optically bonded 2.6” LCD display ensures clear visibility, even in bright sunlight, making it easy to navigate your settings. Being NMEA 2000 certified means it seamlessly integrates with other marine devices, providing you with a more cohesive system. Its IPx7 waterproof rating guarantees durability, allowing you to use it in wet conditions without worry.

What We Like
Multi-Zone Technology for audio control
Clear 2.6” LCD display
NMEA 2000 integration
Waterproof for marine use
#TOP 10

Garmin Striker 5cv GPS Fishfinder with Transducer

010-01872-00
5 inches
Garmin Striker 5cv GPS Fishfinder with Transducer Cover
Garmin Striker 5cv with Transducer, 5" GPS Fishfinder with CHIRP Traditional and ClearVu Scanning Sonar Transducer and Built In Quickdraw Contours Mapping Software

The Garmin Striker 5cv is an advanced fishfinder that features a built-in CHIRP traditional sonar and CHIRP ClearVü scanning sonar, helping you locate fish with precision. With its Quickdraw Contours mapping software, you can create and store custom maps with 1' contours across 2 million acres, enhancing your navigation experience. The built-in GPS allows you to mark waypoints and create routes, ensuring you never lose your way on the water. Plus, its bright 5” display is designed for easy reading in sunlight, providing a user-friendly interface.

What We Like
Advanced sonar technology
Custom mapping software
Built-in GPS for navigation
Bright, readable display
Rugged design for durability
Buying Guide Image
Editor's Notes

During our Garmin marine electronic research, we found 146 Garmin marine electronic products and shortlisted 10 quality products. We collected and analyzed 12,865 customer reviews through our big data system to write the Garmin marine electronics list. We found that most customers choose Garmin marine electronics with an average price of £402.22.

The Garmin marine electronics are available for purchase. The top 10 picks range in price from a low of £87.00 to a high of £522.00, find the one that fits your budget.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.