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Garmin GPSMAP 66s

Product Codes: GAR66S, GAR66S50, GAR66S25

The Garmin GPSMAP 66s is a handheld GPS device which is ideal for walking, hiking, biking and more. The GPSMAP 66s has a 3-inch colour screen and has a Multiple Global Navigation Satellite System (GNSS) connectivity. It comes preloaded with a worldwide shaded relief basemap. With this GPSMAP 66s you also get an altimeter and 3 axis compass.

You can view the latest weather predictions using bluetooth connectiviity to a smartphone.

The GPSMAP 66s device uses AA batteries for a battery life of up to 16 hours in GPS mode.

You can also add additional mapping to this GPSMAP 66s for recreational use, driving, use on water and more. It is also perfect for paperless geocaching as it will record location, terrain, difficulty, hints and descriptions.

Purchase the Garmin GPSMAP 66s with either TOPO Great Britain V3 PRO 1:50K or TOPO Great Britain V3 PRO 1:25K on pre-programmed microSD/SD card. See options below.



Garmin GPSMAP 66s has been discontinued.

Accessories for the Garmin GPSMAP 66s can be purchased from ActiveGPS.

View latest handhelds.

The replacement and equalivent model to the Garmin GPSMAP 66i is the Garmin GPSMAP 66i.


We offer UK, Europe and Worldwide deliveries. We despatch orders at 5.30pm on Monday, Tuesday, Wednesday, Thursday and Friday. We need to receive your order on those days by 4.30pm. When possible we may despatch orders received after that time. No orders are despatched after 5.30pm and no orders are despatched on Saturday or Sunday.

We offer FREE UK delivery on all orders of £40.00 or more, plus next working day and guaranteed Saturday delivery options. Click here for further info. All options also appear at the basket pages.

The Garmin GPSMAP 66s is a handheld GPS device which is built to military standards for thermal, shock and water performance. It has a 3-inch sunlight readable screen and Multiple Global Navigation Satellite System (GNSS) to track your journey in more challenging environments which is better than GPS alone. hiking, The GPSMAP 66s is suitable for mountain biking, climbing, goecaching, kayaking or working in outdoor environments.

If you are looking for a handheld GPS with European Topographical mapping then please view the Garmin GPSMAP 66i.

The Garmin GPSMAP 66s also includes downloads to high-resolution 'BirdsEye satellite imagery' without an annual subscription. BirdsEye satellite imagery provide photo-realistic maps directly to your device. Enabling you to easily find paths, tracks, trails, find parking, create waypoints and more.

Altimeter provides elevation data to monitor ascent and descent information. 3-axis compass keeps you bearing wherever you are and barometric altimeter predicts weather changes by showing short-term trends in air pressure.

Wireless connectivity for Active Weather provides up-to-date forecasts, animated weather radar, geocaching Live for mobile syncing and updates. Get the latest weather conditions when pairing via Bluetooth to a compatible smartphone. You will get access to Active Weather updates for real-time forecast information, predictive maps for temperature, wind, precipitation and clouds and view live weather radar to help when planning your outdoor adventures.

The GPSMAP 66s has a 16 hours battery life in GPS mode and a 1 week battery life in expedition mode. Battery power is supplied by two AA batteries.

Improve your Geocaching experience where you can set the GPSMAP 66s to update with the latest caches from Geocaching Live including cache descriptions, logs, hints. WiFi connection and through Garmin Connect you can avoid manually entering coordinates or printing out cache details on paper. Plus each find will automatically upload to your profile.

Additional mapping is available to purchase separately for use with the Garmin GPSMAP 66s. Learn more about the different compatible Garmin map series that you can use with the Garmin GPSMAP 66s. Popular Garmin map titles for customers in the UK include Garmin TOPO Great Britain V3 PRO 1:50K microSD/SD card (Ordnance Survey Landranger maps) and Garmin TOPO Great Britain V3 PRO 1:25K microSD/SD card (Ordnance Survey Landranger and Explorer maps). View all of the different Garmin TOPO 1:10K, 1:25K, 1:50K map titles that you can buy from ActiveGPS.

Handheld/Outdoor FAQs

Do you have a question about the Garmin GPSMAP 66s or other handheld GPS related question that's not been answered on this webpage? Please see our handheld and Outdoor GPS FAQs page for questions from other customers.Plus if the answer to your question isn't featured, use the online form to ask us for the answer. Alternatively please telephone 01733 777623 Monday to Friday (9:30am-5:00pm) to speak to one of our sales team. For further information online please see the Garmin GPSMAP comparison table.

Garmin GPSMAP 66s Features

‣Slim, lightweight
‣Bright 3-inch sunlight readable colour display
‣Worldwide built-in basemap with shaded relief
‣Multiple Global Navigation Satellite System (GNSS) better than GPS alone
‣Altimeter, electronic compass and barometric altimeter
‣Rugged, waterproof (IEC 60529 IPX7)
‣16GB internal memory
‣Supports paperless geocaching; store waypoints, routes, tracks, hints and descriptions
‣TrackBack feature
‣Up to 16 hours of battery life in GPS mode, battery type: 2 AA batteries (not included) or NiMH or Lithium
‣USB and NMEA 0183 compatible
‣2 year guarantee

Map Coverage

Garmin GPSMAP 66s is preloaded with a worldwide basemap with shaded relief and topographic maps for Europe. Please note: Additional maps can be loaded to the GPSMAP 66s. The GPSMAP 66s features a SD/microSD Card slot, an easy way to add new maps and mapping updates. Read more about the additional maps you can buy from ActiveGPS for the Garmin GPSMAP 66s.

What's in the box? (when purchased from

Product Code: GAR66S

‣Garmin GPSMAP 66s
‣Access to Birdseye satellite imagery without an annual subscription
‣Carabiner clip
‣USB cable

Product Code: GAR66S50

‣Garmin GPSMAP 66s
‣Access to Birdseye satellite imagery without an annual subscription
Garmin TOPO Great Britain V3 PRO 1:50K on pre-programmed microSD/SD card
‣Carabiner clip
‣USB cable

Product Code: GAR66S25

‣Garmin GPSMAP 66s
‣Access to Birdseye satellite imagery without an annual subscription
Garmin TOPO Great Britain V3 PRO 1:25K on pre-programmed microSD/SD card
‣Carabiner clip
‣USB cable

Garmin GPSMAP 66s Accessories

Looking for accessories and spares for the Garmin GPSMAP 66s? Accessories available to purchase include a carrying case, retractable lanyard and vehicle mount kit. Along with these accessories, it is also possible to buy replacement parts such as belt clip and mains charger. View all Garmin GPSMAP 66s accessories.

Garmin GPSMAP 66s Soft Carrying Case


‣Safely store your Garmin GPSMAP 66s when you're not using it with this Garmin branded soft carrying case.

Garmin GPSMAP 66s Handlebar Mount


‣Handlebar mount attaches securely to tubular bars of up to 1-inch. It can be mounted both horizontally or vertically.

Garmin GPSMAP 66s Tempe Wireless Temperature Sensor


‣Track ambient temperature with the Garmin Tempe and your Garmin GPSMAP 66s.

Garmin GPSMAP 66s Maps

The Garmin GPSMAP 66s is preloaded with Europe TOPO Active maps. These maps are a scale of between 1:100K and 1:250K. If you would like a better scale e.g, 1:50K or even 1:25K scale, then look no further than the Garmin TOPO map series. In addition the Garmin GPSMAP 66s is also compatible with both the Garmin City Navigator (street-level road map) series perfect for driving and/or road cycling and for use on the water around the UK, Europe you need the marine Garmin BlueChart g3 series. Learn more about the different Garmin GPSMAP 66s maps.

Garmin GPSMAP 66s Topographical Maps

‣Explore 1:25K or 1:50K the UK and Europe with Topographical mapping
‣Read more about Topographical maps

Garmin GPSMAP 66s City Navigator Maps

‣City Navigator Street-Level maps is available for world countries and regions
‣Read more about Garmin City Navigator maps

Garmin GPSMAP 66s g3 BlueCharts

‣BlueCharts for boats and yachts
‣Read more about g3 BlueCharts

Garmin GPSMAP 66s Technical Specification

‣Technology: GPS, WiFi, Bluetooth, ANT+
‣Satellite networks: GPS, GLONASS, GALILEO
‣Display: transflective, colour TFT (240 x 400 pixels)
‣Touchscreen: No
‣Battery: 2 AA batteries (not included) or (optional); NiMH battery pack or Lithium recommended
‣Waypoints/favourites/locations: 10,000
‣Routes: 250
‣Track Log: 20,000 points, 250 saved tracks
‣Basemap: Worldwide
‣Built-in memory: 16GB
‣Accepts data cards: Yes
‣Waterproof: Yes, IPX7
‣Dimensions: Width - 62mm, Height - 163mm, Depth - 35mm
‣Weight: 230grams with batteries
‣Guarantee: 2-year
Garmin GPSMAP 66s manual

Manual requires Adobe Acrobat Reader
Download a free copy here

This product is a sophisticated electronic device which requires that you read, understand, and act upon the information given in the instruction manual (usually available via the above 'manual' link). You will need internet access and, in accordance with the manufacturers’ recommendations, regularly seek out and accept all firmware or software updates offered by the manufacturer. All GPS devices need to ‘see’ the satellites in the sky. Therefore you will need to know that your vehicle does not have glass that will block or impede the GPS signal.

Updates to this product are via the internet. At this product page we state compatibility with specific versions of current internet connection devices, for example: PC, laptop, MAC, smartphone etc. The Consumer Contract Regulations allow you 14 days, from receipt of purchase, to check compatibility with your internet connection device/s. If you choose to replace or update your PC, MAC etc. neither we nor the manufacturer will be responsible if the new/replacement Operating System (OS) is not compatible with the purchased product.

Do you have a question about the Garmin GPSMAP 66s? Submit your question via our contact page.

Why buy from us?

We are official Authorised Internet Retailers for Garmin. We sell genuine Garmin products, accessories and maps. We purchase from assigned Garmin UK distributors. 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 reviewed: 7th February 2024

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01733 777623

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