Take on sea and shore with the Garmin GPSMAP 79sc Marine Handheld, a rugged, floating navigation companion preloaded with BlueChart g3 Coastal charts. Built for demanding outdoor and marine use, this handheld delivers reliable positioning, advanced sensors, and generous memory so you can chart your course with confidence.
Designed to perform in challenging environments, this device features a sunlight-readable, high-resolution color display with scratch-resistant glass that remains clear in bright sun, spray, and fog. It’s rugged, water-resistant, and floats if dropped overboard, so you can focus on the journey rather than worrying about your equipment.
Key Features
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Rugged, floating handheld with IPX7 water rating, built to withstand marine conditions and keep operating when drenched.
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Preloaded BlueChart g3 Coastal Charts (GPSMAP 79sc model) for advanced coastal navigation with detailed hydrographic data.
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Worldwide basemap plus the ability to add maps for expanded detail and coverage.
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Supports multiple satellite constellations including GPS, GLONASS, Beidou, Galileo, QZSS and SBAS for reliable tracking around the world.
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Memory for everything you need 8 GB of internal memory lets you save and track up to 10,000 waypoints, 250 routes and 300 fitness activity files.
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Navigation sensors include a built-in 3-axis tilt-compensated electronic compass (shows heading even when standing still) and a barometric altimeter for accurate altitude and pressure tracking.
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Automatic routing on outdoor activities with turn-by-turn routing (roads) and support for optional detailed road maps.
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Rugged display with high-contrast 3" diagonal, 240 x 400 pixel transflective color TFT for easy readability in bright sunlight.
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Connectivity and compatibility high-speed microUSB and NMEA 0183 compatible interface for data transfer and integration with other devices.
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Long battery life; up to ~19–20 hours of GPS operation using two AA batteries (not included; NiMH or Lithium recommended).
Whether you’re plotting a coastal voyage, charting a day on the water, or tracking hikes and fitness activities, the GPSMAP 79sc delivers trusted Garmin navigation with powerful onboard sensors, broad satellite support, and substantial onboard memory. Its robust build, floating design, and clear display make it a reliable companion for marine adventures, expeditions, and everyday outdoor exploration.
| General |
| PHYSICAL DIMENSIONS |
2.67'' x 6.85'' x 1.67'' (6.77 x 17.40 x 4.23 cm) |
| DISPLAY SIZE |
1.5"W x 2.5"H (3.8 x 6.3 cm); 3" diag (7.6 cm) |
| DISPLAY RESOLUTION |
240 x 400 pixels |
| DISPLAY TYPE |
transflective, 65K color TFT |
| WEIGHT |
9.95 oz (282g) with batteries |
| BATTERY TYPE |
2 AA batteries (not included); NiMH or Lithium recommended |
| BATTERY LIFE |
up to 19 hours |
| WATER RATING |
IPX7 |
| MIL-STD-810 |
yes (thermal, shock, water); bare unit only |
| HIGH-SENSITIVITY RECEIVER |
Yes |
| 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 |
BlueChart® g3 Coastal Charts |
| 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 |
15000 |
| 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 |
10000 |
| TRACKS |
250 |
| TRACK LOG |
20,000 points, 250 saved gpx tracks, 300 saved fit activities |
| 20,000 points, 250 saved gpx tracks, 300 saved fit activities |
250, 250 points per route; 50 points auto routing |
| RINEX LOGGING |
Yes |
| Sensors |
| GPS |
Yes |
| GLONASS |
Yess |
| Galileo |
Yes |
| QZSS |
Yes |
| Compass |
Yes (tilt-compensated 3-axis) |
| GPS COMPASS (WHILE MOVING) |
Yes |
| 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 |
