Homepage / GPS / Marine / Chartplotters

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Marine Chartplotters & GPS Navigation Systems

Marine chartplotters are essential for accurate navigation on rivers, lakes and open seas. Whether you’re cruising, fishing or exploring new waters, a reliable GPS chartplotter helps you navigate safely and confidently.

At ActiveGPS, we stock a wide range of marine chartplotters and GPS navigation systems from trusted brands including Garmin. Choose from compact touchscreen models to advanced multi-function displays with sonar, radar and chart integration.

Our chartplotters offer clear, sunlight-readable screens, fast GPS positioning and compatibility with popular marine charts such as Navionics and BlueCharts. With expert advice, competitive UK pricing and fast delivery, ActiveGPS makes it easy to find the right chartplotter for your boat

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Deliveries

We offer UK, Europe and Worldwide deliveries. We despatch orders at 4:30pm on Monday, Tuesday, Wednesday, Thursday and Friday. We need to receive your order on those days by 3:00pm. When possible we may despatch orders received after that time. No orders are despatched on Saturday, Sunday or Bank Holidays in England and Wales.

We offer FREE UK delivery on all orders of £50.00 or more, plus next working day and guaranteed Saturday delivery options. Click here for further info. All options also appear at the basket pages.

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Marine Products and Accessories

Find the perfect marine chartplotter and transducer for your boat or yacht with confidence. Whether you’re upgrading your electronics or installing a new system, choosing the right transducer is essential for accurate sonar performance.

To make the process simple, we offer an easy-to-use online Transducer Selection Form. Just provide details about your boat and your marine chartplotter setup, and our experts will recommend the correct transducer for your needs. Once submitted, we’ll get back to you with a tailored recommendation.

If you already know which transducer you require, you can browse and buy from the full range of marine transducers available at ActiveGPS.

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Garmin BlueChart g3 vs g3 Vision – Which Should You Choose?

Garmin marine chartplotters are compatible with Garmin BlueChart g3 and BlueChart g3 Vision mapping. Both chart options offer identical coverage areas, so you won’t miss out on mapping detail regardless of your choice.

The difference lies in the additional features included with BlueChart g3 Vision, which are especially popular with experienced mariners. These premium features include:

• Auto Guidance for assisted route planning from point A to point B

• Overhead port and marina plans for enhanced harbour navigation

If you want extra visual detail and advanced navigation tools, g3 Vision is the ideal upgrade.

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Garmin Transducers and Sonar Explained

Adding a Garmin transducer (sold separately) unlocks powerful sonar features such as ClearVü and SideVü, allowing you to see what’s beneath and beside your boat underwater. These features are available on compatible XSV chartplotter models, including the GPSMAP 1223xsv and GPSMAP 1022xsv.

Some Garmin chartplotters include sonar functionality, while others allow sonar to be added. Sonar not only measures water depth but can also be used as an effective fish finder.

When choosing a chartplotter with sonar, look for model numbers ending in:

• “s” (e.g. 451s, 750s) – indicating a built-in sounder

• “DV” – offering Garmin DownVü sonar for below-water imaging

Please note: sonar features will not operate without a compatible transducer.

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Choosing the Right Transducer for Your Boat

There are three main types of marine transducers, each designed for specific boat constructions:

• Transom-mount transducers – ideal for outboard-powered motorboats

• In-hull transducers – suitable for single-skin fibreglass hulls

• Through-hull transducers – recommended for wooden or steel boats

If you’re unsure which transducer is right for your vessel, our online transducer guide and selection form make it easy. Simply submit your details and we’ll recommend the correct transducer for optimal performance.

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Do you own an older Garmin marine chartplotter or GPS device? Looking for accessories?

As well as the latest marine chartplotters and GPS devices and their accessories (see above), we also sell a vast selection of genuine parts for Garmin marine units that have since been discontinued. Among the many systems we sell original parts for the:

Garmin echoMAP series, namely the Garmin echoMAP 42dv, Garmin echoMAP 43dv, Garmin echoMAP 44dv, Garmin echoMAP 45dv, Garmin echoMAP 50dv, Garmin echoMAP 50s, Garmin echoMAP 52dv, Garmin echoMAP 53dv, Garmin echoMAP 54dv, Garmin echoMAP 55dv, Garmin echoMAP 70dv, Garmin echoMAP 70s, Garmin echoMAP 72sv, Garmin echoMAP 75sv, Garmin echoMAP 92sv and Garmin echoMAP 95sv.

Garmin echoMAP CHIRP series, namely the Garmin echoMAP CHIRP 52dv, Garmin echoMAP CHIRP 53dv, Garmin echoMAP CHIRP 54dv, Garmin echoMAP CHIRP 55dv, Garmin echoMAP CHIRP 75dv, Garmin echoMAP CHIRP 75sv and Garmin echoMAP CHIRP 95sv.

Garmin GPS series, namely the Garmin GPSMAP 158/158i, Garmin GPS 60, Garmin GPS 73.

Garmin GPSMAP series, namely the Garmin GPSMAP 420/420s, Garmin GPSMAP 451/451s, Garmin GPSMAP 521/521s, Garmin GPSMAP 527/527s, Garmin GPSMAP 547/547s, Garmin GPSMAP 551/551s, Garmin GPSMAP 556/556s, Garmin GPSMAP 557/557s, Garmin GPSMAP 620, Garmin GPSMAP 640, Garmin GPSMAP 720/720s, Garmin GPSMAP 721/721s, Garmin GPSMAP 722/722 Plus, Garmin GPSMAP 740/740s, Garmin GPSMAP 7407/7407xs, Garmin GPSMAP 741/741s, Garmin GPSMAP 750/750s and Garmin GPSMAP 751/751s.

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Why Buy a Marine Chartplotter from ActiveGPS

• UK-based marine GPS specialist
• Expert product advice and support
• Competitive pricing on leading brands
• Fast and reliable UK and Worldwide delivery
• Trusted retailer for marine navigation equipment

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This page was last reviewed on: 19th January 2026