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Garmin GPSMAP 76CS 1.5-Inch Waterproof Marine GPS

3.0 out of 5 stars 26 customer reviews

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  • Handheld marine 12-parallel-channel GPS+WAAS receiver with built-in electronic compass and barometric altimeter
  • 115 MB internal memory for loading MapSource detail; USB interface for quick chart and map downloads
  • Sunlight-readable, 256-color, 2.6-inch diagonal TFT display; 10,000 point automatic track log with 20 savable tracks
  • Preloaded Marine Point database with nautical nav aids for North and South America and U.S. tide stations
  • Runs for 20 hours on 2 AA batteries; measures 2.7 x 6.2 x 1.4 inches (W x H x D); 1-year warranty
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Product Features

  • Size (LWH): 2.72 inches, 1.38 inches, 6.18 inches
  • Weight: 7.52 ounces
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Product Description

Product Description

All other marine handheld GPS units will pale when compared to the GPSMAP 76C and GPSMAP 76CS-literally. The latest color-display technology gives both units the brightest, sunlight-readable displays available. And with brand-new state-of-the-art receiver .....

Garmin's GPSMap 76CS is a state-of-the-art handheld marine GPS unit with a vivid, sunlight-readable color display, sizeable internal memory, and fast USB connectivity. Central to the device is its high-resolution, highly reflective, 256-color TFT display and LED backlight, implemented so you can navigate in either broad daylight or complete darkness, as your schedule dictates. The unit retains the overall sleek and easy-to-use design of earlier generations of the GPSMap 76 family, including its rugged, buoyant, waterproof housing.

Map page. View larger.

Compass page. View larger.

Tide prediction page. View larger.

The GPSMap 76CS packs loads of features into a compact, marine GPS device. View larger.
The compact unit also boasts a 13 MB Americas marine basemap that includes tide data. In addition, an impressive 115 MB of internal memory lets you load optional MapSource BlueChart or Recreational Lakes with Fishing Hot Spots marine cartography. (The award-winning BlueChart features depth contours, inter-tidal zones, wrecks, and navaids, while Recreational Lakes includes fishing areas, boat ramps, marinas, and hazards for more than 1,000 popular U.S. and Canadian lakes.)

You can rely on the 76CS when you're navigating the highways and byways in your rudderless vehicle, too, thanks to a built-in, auto-routing basemap of major interstates and highways. When loaded with optional MapSource City Select detailed street cartography, the GPS provides automatic route calculation to millions of addresses or points of interest, complete with turn-by-turn directions and tone alerts. The unit is also compatible with MapSource U.S. Topo and 24K Topo for off-road excursions.

Loading charts or maps is faster than it was with earlier-generation devices, too, thanks to the 76CS's USB interface. Navigation instructions can be shared with repeaters, plotters, and autopilots using NMEA protocols through a dedicated serial port.

The 76CS also includes an electronic compass--which displays accurate headings even while standing still--and a barometric altimeter with an elevation computer that provides current elevation, ascent/descent rate, minimum/maximum elevation, total ascent/descent, and average/maximum ascent/descent rate.

Other features include a built-in quad helix antenna with remote antenna capability; 1,000 user waypoints with name and graphic symbols; 50 reversible routes; a 10,000-point automatic track log; 20 saved tracks (so you can retrace your path in both directions); audible alarms for anchor drag, arrival, off-course, proximity waypoint, and clock; and a trip computer that provides, among other things, an odometer, stopped time, moving average, overall average, total time, and max speed.

Battery life using 2 AA alkaline batteries is rated at 20 hours typical use. The 76CS is waterproof to IEC 60529 IPX-7 standards (submersible to 1 meter for up to 30 minutes).

What's in the Box
GPSMap 76CS receiver, basemap (Americas Recreational), database (Marine Point), MapSource Trip & Waypoint Manager CD, PC/USB interface cable, lanyard, quick start guide, and owner's manual.

Product Information

Product Dimensions 2.7 x 1.4 x 6.2 inches
Item Weight 7.5 ounces
Shipping Weight 1.4 pounds
Item model number 010-00353-00
Batteries 2 AA batteries required.
Customer Reviews
3.0 out of 5 stars 26 customer reviews

3.0 out of 5 stars
Best Sellers Rank #672 in Electronics > GPS & Navigation > Sports & Handheld GPS > Handheld GPS Units
#16,060 in Sports & Outdoors > Sports & Fitness > Hunting & Fishing > Hunting > Hunting Accessories
#63,295 in Sports & Outdoors > Sports & Fitness > Accessories

Technical Specification

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Reviews

Top Customer Reviews

The GPSMAP76CS continues the evolution of Garmin's GPSMAP line of GPS receivers. It is well-suited for walking, car navigation and casual marine use. I already own a GPSMAP76S. The major advances of the 76CS are:
(1) Color TFT screen - makes it so easy to see your maps and data; it's bright and sharp, easy to read in any light. The variable-level backlight is great in low-light situations. The night-time color scheme is pretty cool, too. You can have the receiver automatically switch between day/night color schemes at sunrise/sunset, or manually select the mode. There are several alternate color schemes for day or night-time use.
(2) Point-to-point automatic routing - works very well. There are two audio-visual prompts for each turn, one about a minute before, and again (with a different tone sequence) about 10 seconds before the turn. You can choose from several different tone sequences, but I'm happy with the defaults. The prompts display a zoomed-in view of the intersection (great for tricky interchange exits and ramps). If you miss a turn, it re-calculates your route to get you to the next point, or your destination. Generally it uses the most major roads available for routing. For areas that I know well, I may take a local road that I know will get me where I'm going sooner. When driving in unfamiliar territory, I rely on the route it calculates for the most part. Apparently, you can select variations on the routing algorithm on the "follow roads options" page: Car/Motorcycle (the one I use), Truck, Bus, Emergency, Taxi, Delivery, Pedestrian and Bicycle. I haven't tried any of the other routing options yet. Overall, I would give the routing capability 4 stars.
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The Garmin 76CS is a major improvement over the Garmin 76S, which I also own. (See my review of the 76S on Not that the 76S is bad; it's a fine unit. But the 76CS is better in significant ways.


1. The batteries last much longer, despite the more sophisticated color display. I haven't managed to get the battery power to drop below 75% yet. In addition, the 76CS allows you to specify whether you're using NiMH or NiCad batteries.

2. The color display is much easier to read than the grayscale on the 76S. The main reason I bought the 76CS is that I found the 76S's grayscale display difficult to read in national forests using the Mapsource topographical maps, because the background (green) shows up as a solid gray.

3. The display automatically changes its color scheme after dark, and the default nighttime display is dazzling. It's eerie to be riding my mountain bike after dark, push a button to light up the nighttime display, and feel like I'm reading the data panel of a modern jet.

4. The antenna is much more powerful. With the 76S, I would regularly receive no-satellite-reception messages when I went under tree canopies. This rarely happens with the 76CS.

So why four stars rather than five, given that I gave the 76S five stars when I reviewed it a couple of years ago? It's because I'm now better acquainted with the quirks of these units, and Garmin hasn't fixed all of them. Here are a few:

1. The compass is always demanding that you hold the unit level even when you're sure that you are. It is extremely finicky.

2. I can't tell whether elevation readings are coming from GPS triangulation or the air pressure barometer. When it says "elevation," what is it measuring against?

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I have had this super gps for about 2 weeks. This is not for the faint at heart. The unit is PACKED full of items you may or may not ever use. The unit is definitely trying to be all things to all people.

This is not an exceedingly intuitive device, but after a couple of weeks I have most of it figured out. Plan on a fair amount of time, even to learn the basics. I wouldn't recommend a wilderness adventure on the first day.

That being said, it is a wonderful mapping gps. I am a biologist, and needed it be able to stand up to field abuse at sea and on land. It performs VERY well in setting up routes, waypoints and tracking. I also decided to get the City Select software, which then turns into an car navigating gps. Very slick, easy to use, and big enough to read.

The software add-ons are quite expensive, so bear this in mind in your purchase price. You can not do road navigation unless you have the City Select or equivalent. I purchased the "Auto-Nav" kit, with an auto holder and dc power cord that attaches to the cigarette lighter. This also includes the City Select software, and the package was a great deal, just a bit more then the CD alone.
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I am writing this to hopefully prevent others from spending the kind of money I have in finding what I firmly believe to be an amazing piece of gear. I have purchased the following GPS items over the past 2 years:

1) ALK Co-Pilot Live Laptop v7 (4 stars) - good for street navigation. It gets somewhat confused on which road you are on when close and parallel). NOTE: I did not have a WAAS enabled receiver.

2) Delorme Earthmate with Street Atlas 2004 software - (1 star - software was awful).

3) ALK Co-Pilot Live Laptop v8 (4 stars) same problem as above. I went to website to purchase WAAS receiver and decided ALK was charging too much given what I had already paid for the software. This led me to GARMIN...

4) First purchased the GPS 18 OEM (a WAAS USB receiver for a laptop). I had intended to use it with ALK software, only to find out that Garmin and ALK don't "talk to each other, i.e. Garmin uses proprietary language for this (USB (vs. serial)) receiver.

5) Purchased another GPS 18 WITH the MapSource City Select v6 software (now I have a receiver in my wife's car as well).

MapSource Software comments: This software has a "Windows" type interface (compared to ALK which has it's own screen layout - very good I might add) that enables you to get into the data. I find it more to my liking, but I am a bit of a computer person (not quite a geek, but an accomplished user).

6) Purchased Garmin US Topo because I wanted to go backpacking and was interested in reviewing the layout. (I don't think ALK has this and I am not sure about Delorme).

7) Of course, now I wanted to be able to carry this excellent info with me, which led me to the GPSMap 76CS.
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