Garmin GPSMAP 78S Marine Handheld GPS

Garmin GPSMAP 78S Marine Handheld GPS

The Garmin GPSMAP 78S is a Handheld GPS unit built and designed for the treacherous marine environment. The Garmin 78S is preloaded with a shaded relief map for the US and has a built in 3-Axis electric compass and barometric altimeter.
  • SKUGA008641
  • MAN#010-00864-01
  • ID#: 2386
(Rating 83)
Our Price:
In Stock
FREE Ground Shipping!
Brand New
free ups ground

Floating Handheld Built Tough for the Marine Environment.


If you’re searching for a handheld GPS you can use on the boat as well as on your next hiking, hunting or geocaching adventure, the GPSMAP 78S is your unit. Housed in a durable casing, this rugged handheld is designed to handle the tough marine environment. Rubber grips have cleverly been added to the sides of the unit to prevent it from slipping out of your hand. However the GPSMAP 78S is waterproof, meets IPX7 standards and floats, so it is safe if it takes an unexpected dip in some water.

Garmin built the GPSMAP 78S with the boater in mind but loaded it with features that are usable in any outdoor application.  The internal, 3-Axis, tilt-compensated electronic compass guarantees you always know where you are going by giving you an accurate heading even when standing still while the barometric altimeter gives you accurate elevation and tracks changes in pressure over time to keep you ahead of changing weather conditions. The GPSMAP 78 S also has a high sensitivity GPS receiver with HotFix technology that will ensure you receive a fast satellite lock and accurate position readings. The 2.6” transflective color display has a 160 x 240 resolution and is viewable in any lighting condition.

Other great features of the GPSMAP 78S include the ability to wirelessly share waypoints, routes, tracks and geocaches with other compatible Garmin units. The 78S can also accept maps from the optional Garmin Mapsource products and the BirdsEye Satellite imagery subscription. There is 1.7 GB of memory on the unit for you to use and a microSD card slot for you to add additional memory if needed. The 78S also supports geocaching GPX files for downloading geocaches directly to your unit. With its rugged, waterproof design, flexibility, and outstanding features, the Garmin GPS MAP 78S is a must have for your next outdoor adventure.

Compatible with HuntView Maps Compatible with Garmin 24K Topo Maps
Garmin GPSMAP 78S Details
Each GPSMAP 78S comes with: GPSMAP 78S with pre-loaded worldwide basemap, USB cable, wrist strap, quick start manual, and a One-Year Warranty.
Unit Size: 6.0"H x 2.6"W x 1.2"D
Condition: Brand New
Display Size: 1.6" x 2.2"
Weight: 8 oz.
Click here, to view the online Users Manual.
Garmin GPSMAP 78S Special Features
  • High Sensitivity WAAS GPS Receive.
  • Up To 20 Hours of Battery Life with 2 AA Batteries.
  • BirdsEye Satellite Imagery.
  • 1.7gb of Internal Memory to Load Garmin Custom Maps.
  • Ability to Wirelessly Share Information.
Garmin GPSMAP 78S Specifications
# Of Way- points # Of Routes Max battery life / # of batteries PC Interface Capability External Antenna Plotter Type
2,000 200 Rev. 20 Hrs./2 AA Cable Included Optional Full Mapping
Speed Limitation 999 MPH.
Supports - Lat/Lon, TD's, UTM/UPS, MGRS , Plus other Grids Including Maidenhead.

Compatible with Garmin HuntView Plus Maps

Product Accessories for Garmin GPSMAP 78S Marine Handheld GPS

Garmin Carrying Case Our Price:$10.95
SKU: GAX10117

Garmin Carrying Case

This convenient Garmin carrying case is a great option for storing and protecting your compatible handheld GPS unit.

Garmin Mini USB Cable  Our Price:$14.95
SKU: GAX1072301

Garmin Mini USB Cable

Connect your Garmin device to your computer or laptop using this Mini USB cable to update your device software, download new vehicle icons, connect to GarminConnect and much more.

Garmin LakeVu G3 US Inland Lakes Our Price:$119.95

Garmin LakeVu G3 US Inland Lakes

Garmin LakeVu G3 Charting covers over 18,000 US Inland Lakes and over 16,000 US Lakes with up to 1-foot contours.

Garmin City Navigator North America NT 2020 microSD/SD Our Price:$84.95
SKU: GAX1155101

Garmin City Navigator North America NT 2020 microSD/SD

Garmin City Navigator North America NT on microSD/SD. Preprogrammed with version 2020. Includes extensive coverage of highways, points of interest and more for North America.

Garmin Flotation Lanyard Our Price:$9.95
SKU: GAX1252501

Garmin Flotation Lanyard

Garmin's Flotation Lanyard for Garmin Handhelds ensures your device is close by and secure when on the water. Includes quick-release connector.

Garmin power/data cable Our Price:$26.95
SKU: GAX10082

Garmin power/data cable

Garmin power/data cable for GPS 60/76/72/73/78 series (hardwire type)

Garmin Retractable Lanyard Our Price:$22.95
SKU: GAX10888

Garmin Retractable Lanyard

Keep your Garmin secured to you at all times with the retractable lanyard.

Garmin Cigarette Lighter Adapter Our Price:$22.95
SKU: GAX10085

Garmin Cigarette Lighter Adapter

Garmin Cigarette Lighter Adapter for II+,III,V,12xl,48/60/76/72/73/78/78S/78SC series

Garmin BirdsEye Satellite Imagery Card Our Price:$28.95
SKU: GAX11543

Garmin BirdsEye Satellite Imagery Card

With Garmin’s new BirdsEye Satellite Imagery, you can transfer an unlimited amount of satellite and aerial images to your compatible Garmin handheld unit.