Can I plug in a bluechart g3 sd card in this device to use in a different region?

I personally dont know the answer to this question and would recommend that you call Garmin Customer Service and select the proper menu and asked to be connected to Adam in Tucson, Az. He is very knowledgeable & good to work with to answer any questions you may have about this model.

Does this show water depths for the body of water that you're in?

It shows charted depths, not actual. It is not a depth sounder.

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GPSMAP 79sc, Marine GPS Handheld Preloaded with BlueChart g3 Coastal Charts, Rugged Design and Floats in Water

Product ID: 395460847

Details

Audio Output Mode
Digital
Battery Life
20 hours
Brand
Garmin
Connectivity Technology
USB
Included Components
GPSMAP 79sc;
Map Type
North America

💧IPX6 water-resistant & floats

🧭Built-in 3-axis compass

🛰️Multi-constellation satellite support

S$553

Duties & taxes included

In stock

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Description

🛥️ Float, track, and conquer every wave with Garmin GPSMAP 79sc!

CHART YOUR COURSE - Preloaded BlueChart g3 coastal maps keep you ahead of every tide and turn.
NAVIGATE LIKE A PRO - Access GPS, GLONASS, Beidou, Galileo & more for pinpoint accuracy worldwide.
FLOAT WITH CONFIDENCE - Rugged, water-resistant design that literally floats—never lose your GPS overboard.
STAY ON TRACK ALWAYS - Built-in compass and barometric altimeter ensure you never lose your bearings, even at a standstill.
MEMORY FOR THE JOURNEY - Save up to 10,000 waypoints and 250 routes—track every adventure without limits.

The Garmin GPSMAP 79sc is a rugged, floating marine handheld GPS featuring a sunlight-readable 6-inch color touchscreen, IPX6 water resistance, and multi-constellation satellite support for ultra-reliable global tracking. Preloaded with BlueChart g3 coastal charts and equipped with a built-in 3-axis compass and barometric altimeter, it offers up to 20 hours of battery life and expanded memory to save 10,000 waypoints and 250 routes—perfect for serious marine adventurers who demand precision and durability.

Specifications

ASIN	B09GX6JSYJ
Additional Features	Designed to Float; Increased Memory; Built-in Compass; BlueChart Coverage
Audio Output Mode	Digital
Battery Average Life	20 hours
Best Sellers Rank	#19,189 in Electronics ( See Top 100 in Electronics ) #17 in Handheld GPS Units #1,911 in Boating Equipment
Brand	Garmin
Built-In Media	GPSMAP 79sc; Lanyard; USB cable; Documentation
Compatible Devices	Smartphone, Tablet
Compatible with Vehicle Type	Boat
Connectivity Technology	USB
Control Method	Touch
Customer Reviews	4.1 4.1 out of 5 stars (178)
Display Type	LED
Human-Interface Input	Touchscreen
Item Dimensions L x W x H	2.6"L x 1.2"W x 6"H
Item Type Name	Marine GPS
Item Weight	282 g
Manufacturer	Garmin
Map Types	North America
Memory Storage Capacity	8 GB
Mfr Part Number	010-02635-02
Model Name	GPSMAP 79sc
Model Number	010-02635-02
Model Year	2022
Mounting Type	Wrist Mount, found in image
Number of Items	1
Number of Packs	1
Operating System	Windows
Resolution	240 x 400
Screen Size	6 inches
Sport Type	Fishing
Supported Satellite Navigation System	GPS
Touch Screen Type	Capacitive
UPC	753759284534
Unit Count	1 Count
Warranty Description	1 year limited warranty

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