Garmin GPSMAP 451s Chartplotter/Sounder

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RRP £329.99
Only £289.99
(EUR 365.39)

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standard (transducer not included) - £289.99 inc. VAT

Product Code: NE450022
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Product information
Looking for the latest in Garmin's range? Check out the fantastic new chartplotter/sounder the GPSMAP 557xs is now available to order. Click here to view some great new features!

Pre-Loaded with UK and Ireland Cartography

The GPSMAP 451 is a compact chartplotter that features an ultra-bright 4" QVGA colour display along with an improved high-speed digital design for increased map drawing and panning speeds. It’s ready to go with an easy-to-use interface and a built-in, satellite-enhanced basemap preloaded with marine charts for the U.K. and Ireland. The GPSMAP 551 also accepts BlueChart® g2 Vision cards for added features and functionality such as high-resolution satellite imagery, Mariner’s and Fish Eye views and Auto Guidance technology.

Physical & Performance-
Unit dimensions, WxHxD: 5.7" x 5.0" x 2.7" (14.5 x 12.7 x 6.9 cm)

-Display size, WxH: 2.4" x 3.2", 4.0" diagonal (6.1 x 8.1 cm, 10.2 cm diagonal)
-Display resolution, WxH: 240 x 320 pixels
-Display type: QVGA display

-Weight: 1.3 lb (590 g)
-Battery: NONE
-Battery life: NONE
-Waterproof: YES (IPX7)
-High-sensitivity receiver: YES
-Antenna: internal

-NMEA input/output: NMEA 0183 compatible and NMEA 2000 certified

Maps & Memory- Basemap: YES
-Preloaded maps: YES
-Ability to add maps: YES
-Built-in memory: NONE (cannot load maps to internal memory)
-Accepts data cards: SD™ card slot

Waypoints/favourites/locations: 3,000
-Routes: 100
-Track log: 10,000 points; 50 saved tracks

-Garmin radar compatible: NO
-Garmin sonar compatible: YES
-CANet® compatible: NO
-Garmin Marine Network™ compatible: NO
-Touchscreen: NO
-Supports AIS (tracks target ships' position): YES
-Supports DSC (displays position data from DSC capable VHF radio):YES
-Audible alarms: YES
-Tide tables: YES
-Hunt/fish calendar: NO
-Sun and moon information: YES
-3-D map view: YES (with optional BlueChart g2 Vision card)
-Auto Guidance: YES (with optional BlueChart g2 Vision card)
-Automatic routing (turn by turn routing on roads): NO

-Voice prompts (e.g. "Turn right in 500 ft."): NO
-Speaks street names (e.g. "Turn right ON ELM STREET in 500 ft."): NO
-Remote control: NO
-Headphone jack/audio line-out: NO
-Audio/video input/output: NO
-Portable: NO
-Automotive/motorcycle-friendly: NO

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General information
Standard & Express UK delivery
Free delivery over £100 terms & conditions
Hazardous goods UK delivery
International delivery
BFPO delivery

General information

We aim to dispatch orders within two working days of your order being placed, subject to stock availability.  In the case of products being out of stock, a member of our sales team will contact you within one working day to inform you.
We only dispatch orders on weekdays.  Items are not dispatched on Saturdays and Sundays. Therefore, orders placed after 12pm on a Friday will not be dispatched until the following Monday.  Courier deliveries do not normally occur on a Saturday, and we give no guarantee that you will receive an order on a Saturday.
Once goods leave our premises we cannot guarantee an exact delivery time and date, however we will do our utmost to get the goods to you on time. The vast majority of our orders are sent with courier, except in cases of very small items under £25 in value which are sometimes sent with Royal Mail. 

Packages dispatched with couriers will require a signature from a person at the delivery address.  Goods will not be left without a signature.

Standard products (non-hazardous/restricted products)
Region Royal Mail large letter size up to 500g, under £25 in value

Standard courier delivery
3 to 5 working days
Under 1.5mtr length

Express delivery
1 to 2 working days

Up to 10kg
Under 1.5mtr length

UK Mainland £3.49 £5.95 or FREE on orders over £100*

£11.99 or £4.99 on orders over £100*

Scottish Islands £3.49 £5.95 or FREE on orders over £100* Not available for this area
Northern Ireland, Isle of Man, Scilly Isles £3.49 £14.99 Not available for this area
Channel Isles £3.49 £11.99 (zero-VAT) Not available for this area


 *About our free standard delivery service - spending over £100

When you spend £100 or more online, we offer free standard delivery to UK mainland and Scottish island addresses.

•  Applies to delivery within UK only - unfortunately due to high courier costs this excludes Northern Ireland, Isle of Man, Isle of Scilly, Channel Isles.
•  Applies to single orders with a minimum spend of £100 after any discount or promotions have been added.
•  Free delivery offer applies to standard delivery only (3-5 working days).
•  If you can’t wait that long you can opt for express delivery (1-2 working days) at a reduced rate of £4.99.
•  One shipment only.  If some of the items ordered are not in stock you may need to wait a little longer until the order is complete to dispatch.
•  This offer excludes flares/pyrotechnics and liferafts.
•  Valid for orders up to 30kg in weight and 1.5m in length.
•  Applies to retail transactions only.
•  This offer applies to stocked range products only. Special orders or requests may incur additional charge, e.g. direct supply order.

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Hazardous and restricted products
Region Antifouling, Harmful liquids, fire extinguishers Flares/Pyrotechnics Liferafts under 40kg not containing flares Goods over 30kg
UK Mainland £8.99 £16.99 £14.99 Please call for price
Scottish island postcodes £8.99 £16.99 £14.99 Please call for price
Orkney (KW15-KW17) and Shetland Isles (ZE) Please call for price, t: 0845 4501077, e:
Isle of Wight (PO30-PO41) Please call for price, t: 0845 4501077, e:

Regrettably, we cannot deliver the above hazardous/restricted products to the following UK postcode prefixes:

BT Postcodes (Northern Ireland)

GY & JE Postcodes (Channel Isles)

IM Postcodes (Isle of Man)

TR21, TR25 (Scilly Isles)

HS9 (Barra)

PA41 - PA78 (Scottish Isles)

KA27 (Arran)


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International delivery

We cannot send hazardous goods to international destinations.  We reserve the right to decline any order for hazardous goods destined for an international location.  Hazrdous items include, but are not limited to antifouling paint, lifejackets, co2 gas cylinders, liferafts, flares, paint, harmful liquids.


Small Jiffy Bag 0-500g under £25 in value - regular post

Standard delivery 0.5kg-30kg
5-7 working days
Under 1.5mtr in length

Austria £7.99 £25.99
Belgium £7.99 £12.99
Bulgaria £7.99 £37.99
Canaries £7.99 £59.99
Corsica £7.99 £30.99
Croatia £7.99 £37.99

Please call for price. tel: +44 845 4501077 /

Czech Republic £7.99 £25.99
Denmark £7.99 £19.99
Estonia £7.99 £34.99
Finland £7.99 £25.99
France £7.99 £15.99
Germany £7.99 £12.99
Gibraltar £7.99 £59.99
Greece £7.99 £39.99
Hungary £7.99 £25.99
Ireland £7.99 £15.99
Italy £7.99 £19.99
Latvia £7.99 £34.99
Lithuania £7.99 £34.99
Luxembourg £7.99 £12.99
Malta £7.99 £59.99
Monaco £7.99 £15.99
Netherlands £7.99 £12.99
Norway (Mainland) £7.99 £34.99
Poland £7.99 £25.99
Portugal £7.99 £31.99
Romania £7.99 £39.99
Russia Please call for price. tel: +44 845 4501077 /
San Marino £7.99 £25.99
Slovakia £7.99 £25.99
Slovenia £7.99 £25.99
Spain (Mainland) £7.99 £29.99
Sweden £7.99 £34.99
Switzerland £7.99 £25.99
Turkey £7.99 £39.99
We cannot part-ship orders outside UK Mainland, we will only send complete orders when all items on the order are available.

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Deliveries to BFPO addresses

Delivery charges to BFPO addresses will vary.  If you require delivery to be made to a BFPO address please contact us prior to placing your order and we will happily give you a quotation.

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telephone Need to speak to us?
(+44) 0845 450 1077


Please note, Transducer is not included with this item.


Garmin GPSMAP 451s Chartplotter/Sounder    Garmin 6-Pin Transom Mount Dual Frequency Transducer 50/200kHz   

View Bundle

Buy these items together and you save  £45.00 off SRP
Bundle Price   £339.98
(EUR 428.37)
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Welcome to Gael Force Marine Equipment - your Marine Mail Order and Online Chandlery in Scotland and across the UK.  We have been equipping yachts, sailors and fishermen with boat supplies and spares for 30 years, offering the best possible prices on outboard engines, inflatable boats, life jackets and marine electronics.  With Marine Stores in Inverness and Glasgow, and a Commercial Fishing Shop in Plymouth, our wealth of experience in both sailing and fishing equipment gives us an advantage that no other marine supplier can boast.  If you're looking for marine chandlery advice or can't find a specific boat part, please drop us an e-mail and we'll do our best to source it for you! Gael Force Marine Equipment Ltd. 136 Anderson Street, South Kessock, Inverness, IV3 8DH.Company No: SC101936 VAT Reg No: 801768825