Garmin GPSMAP 79s Marine Handheld

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Cast off confidently with the GPSMAP 79s marine GPS handheld.

The rugged, floating handheld features a sunlight-readable, high-resolution colour display that are fog proof and scratch-resistant.

You get access to a range of satellites constellations, so you get more reliable, accurate tracking around the world.

Navigate wherever your adventures take you with a worldwide basemap.

With more than previous models, you can save and track 10,000 waypoints and 250 routes.


  • It’s water-resistant, it floats, and it’s fog proof, so it belongs on the water.
  • This thing can remember up to 10,000 waypoints and more, so you don’t have to.
  • It’s nice to have reliable positioning when you’re out on the water.
  • The built-in compass will point you in the right direction.
  • Stay out longer with up to 19 hours of battery life in GPS mode.


  • High-sensitivity receiver: Yes 
  • Dimension: 6.77 x 17.40 x 4.23 cm
  • Display Size: 3.8 x 6.3 cm; 3" diag (7.6 cm)
  • Display Resolution: 240 x 400 pixels
  • Display Type: Transflective, 65K colour TFT
  • Weight: 282g with batteries
  • Battery type: 2 AA batteries (not included); NiMH or Lithium recommended
  • Battery life: Up to 19 hours
  • Waterproof: IPX7
  • MIL-STD-810: yes (thermal, shock, water); bare unit only
  • Interface: High speed microUSB and NMEA 0183 compatible
  • Memory/History: 8 GB (user space varies based on included mapping on sc version)

Maps & Memory

  • Preloaded maps: Available on sc version only
  • Ability to add maps: Yes
  • Basemap: Yes
  • Automatic routing (turn by turn routing on roads) for outdoor activities: Yes (with optional mapping for detailed roads)
  • Map segments: 15,000
  • Includes detailed hydrographic features (coastlines, lake/river shorelines, wetlands and perennial and seasonal streams) yes (downloadable from Garmin Express™)
  • Includes searchable points of interests (parks, campgrounds, scenic lookouts and picnic sites) yes (downloadable from Garmin Express™)
  • Displays national, state and local parks, forests, and wilderness areas: yes (downloadable from Garmin Express™)
  • External memory storage: Yes (32 GB max microSD™ card, not included)
  • Waypoints/favorites/locations: 10,000
  • Tracks: 250
  • Navigation Track Log: 20,000 points, 250 saved gpx tracks, 300 saved fit activities
  • Navigation Routes: 250, 250 points per route; 50 points auto-routing
  • Rinex logging: Yes


  • GPS: Yes
  • GLONASS: Yes
  • Galileo: Yes
  • QZSS: Yes
  • SBAS: Yes
  • Compass Yes (tilt-compensated 3-axis)
  • GPS compass (while moving) 

Outdoor Recreation

  • Point-to-point navigation: Yes 
  • Area calculation: Yes 
  • Hunt/fish calendar: Yes 
  • Geocaching-friendly Yes (Paperless)
  • Custom maps compatible: Yes 
  • Picture viewer: Yes 

In The Box

  • GPSMAP 79s 
  • Lanyard
  • USB cable
  • Documentation


pdf download icon  Owner's Manual


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