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Garmin GPSMAP 450/450s Accessories

Garmin accessories for the Garmin GPSMAP 450 and GPSMAP 450s marine chartplotters. All of the GPSMAP 450 accessories available to purchase from ActiveGPS are genuine Garmin parts.

Click the 'More Details' link below for each accessory to read more about it.

Garmin Transducers and BlueChart marine charts are also available for use with the Garmin GPSMAP 450s. For further information please click here or scroll down this page past the GPSMAP 450 accessories below.

For mariners looking for a sleeker installation of the 4-inch screen GPSMAP 450 or GPSMAP 450s at their helm, this flush mount kit is the answer. More Details

Garmin GPSMAP 450/450s Watertight Flush Mount Kit - £24.99

Use the swivel mounting bracket to mount, swivel and tilt your 5-inch Garmin GPSMAP 450 or GPSMAP 450s marine chartplotter to get the best viewing angle. More Details

Garmin GPSMAP 450/450s Swivel Mounting Bracket - £24.99

Power or connect your Garmin GPSMAP 450 chartplotter to a network with this power/data cable.

IMPORTANT: This cable is for GPSMAP 450 models WITHOUT a sounder, if you have a GPSMAP 450s model with sounder and require a cable with sounder/transducer connectivity you need to buy the accessory below. More Details

Garmin GPSMAP 450 Power/data Cable - £18.99

Power or connect your Garmin GPSMAP 450s chartplotter to a network with this power/data/xdcr cable. This cable also includes sounder/transducer connectivity.

Please note: This cable is only required if you own the GPSMAP 450s. If you own the GPSMAP 450 without sounder you can purchase the cable above. More Details

Garmin GPSMAP 450s Power/Data/Xdcr Cable - £19.99

Use this genuine Garmin cable to connect your Garmin GPSMAP 450s chartplotter with a 6-pin connection to a single or dual beam transducer with an 8-pin connection. More Details

Garmin GPSMAP 450s 8-pin Transducer to 6-pin Sounder Cable - £16.99

If you are wanting to use your Garmin GPSMAP 450/450s on a boat, you will need this remote marine GA 38 GPS/GLONASS antenna to receive GPS/GLONASS signal. Comes with 10metre (32feet) antenna cable. The kit also includes surface, pole and under-deck (for the underside of fiberglass decks) mounting brackets. More Details

Garmin GPSMAP 450/450s GA 38 GPS/GLONASS Antenna - £49.99

This heavy duty cover fits the Garmin GPSMAP 450 or GPSMAP 450s chartplotter head unit snugly, protects screen from getting scratched and guards against the harsh rays of the sun. More Details

Garmin GPSMAP 450s Protective Cover

Adding a Transducer to your GPSMAP 450s

Garmin transducers are fully compatible with the Garmin GPSMAP 450s and will provide you with a live 'view' beneath your boat. We stock the very latest Garmin transducers which can provide you with an image of not only what lies directly below but towards the front or sides of your boat with features such as SideVu, DownVu and RealVu 3D Forward.

To learn more about Garmin transducers please see our Garmin Transducer Buyer's Guide, the page also features an online form, which after completing we will email you a link to compatible transducers that are all fully compatible with your Garmin GPSMAP 450s and the boat in which you will use both nautical devices on.

Find your compatible transducer here.

Pictured below, transom mounted transducer, thru-hull transducer and in-hull transducer.

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Adding a Garmin BlueChart to your GPSMAP 450/450s

By adding either a Garmin BlueChart g2 HD or BlueChart g2 Vision HD marine chart on SD/microSD Card to your Garmin GPSMAP 450/450s chartplotter will provide the detailed digital marine charts on the screen of your device.

Garmin BlueChart g2 Vision HD marine charts are available in three different sizes, these are: Small, Regular and Large coverage. Please see the sample charts below, which all include the Thames Estuary:

The larger the chart coverage the more area is covered without the need to change or buy additional charts. We suggest buying the chart(s) that provide the coverage for your sailing, fishing or yachting needs.

Charts are available to buy from ActiveGPS for the waters around the UK, Western Europe, Mediterranean and North American coasts. Find your Garmin BlueChart.

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Why buy from us?

We are official Internet Retailers of Garmin products and we sell genuine Garmin accessories and maps. We purchase from the Garmin UK distributor. We do not buy on the grey market and we do not sell counterfeit products. You can rest assured that by purchasing from ActiveGPS you will receive the full support of Garmin.

Page last updated: 29th June 2018

Buying a Marine GPS?

Garmin v2018 BlueCharts

Garmin Transducer Buyer's Guide

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