$1599.99 when purchased online
Target Online store #3991
About this item
Highlights
- Pair with Garmin Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network.
- Exchange preset diver-to-diver messages (coming soon via required software update) up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 meters.
- Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather.
Description
Featuring SubWave sonar-based communication and diver monitoring, this advanced, air-integrated Garmin Dive Computer and Smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience plus multisport training and smart features for your active life out of the water. Air IntegrationPair with Garmin Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network.Subwave Sonar NetworkingExchange preset diver-to-diver messages (coming soon via required software update) up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 meters.Dive ModesGet multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather.Dive Readiness ToolThis Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body to help gauge when you are best prepared to dive.Diveview MapsColor maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented.Dive-Focused DesignWith its bright 1.4-inch AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.Built-In Led FlashlightSee and be seen with variable light intensities and strobe modes, in or out of the water.Dive LogStore and review data, track gear, take notes and share via the Garmin Dive smartphone app.Long Battery LifeStay in the water longer with up to 66 hours in dive mode plus up to 25 days in smartwatch mode.Customizable Dive ModesAdd additional screens for each dive mode that features the fields you want to see.Surface GPSTrack your entry and exit points on the surface with advanced satellite connectivity.Garmin Dive AppPair the app with your Descent dive computer to automatically sync and upload your dive logs.Lume ModeTo aid readability and help maintain night vision, an ambient light sensor gives a green luminescence to your watch face in low-light conditions.Dive CompassBuilt-in ABC sensors, including an underwater compass, help navigate every part of your dive.Reference PointUse this GPS tool for surface navigation to a dive site, so you can drop right onto your target every time.VariometerThis tool helps you monitor your freedive descent and ascent rates through tone and vibration feedback.Big Numbers ModeGet a simplified dive screen on your wrist, with larger text to see critical diving data.Tide DataStay up to date on ocean conditions by pairing your Descent device with your compatible smartphone.Inreach Device CompatiblePair with inReach devices and the inReach dive case for satellite messaging off-grid.Sports AppsUse preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more.Surf ActivityRecord the number of waves surfed, maximum speed reached, distance traveled and more.Surfline CameraCreate a video of every wave you ride in front of a Surfline camera with Surfline Sessions technology. Use the Surfline widget to see tide, wave height, wind and surf rating for each of the five nearest surf spots.Backcountry Ski and SnowboardGet ascent and descent data along with metrics such as cadence, stride length and grade.Vo2 MaxSee your current fitness level, and track changes over time to set goals, evaluate progress and more..
Weight: 1 pounds
Compatible With: Android
Material: Silicone
Battery: Required, Included
TCIN: 1004951445
UPC: 753759332891
Origin: Imported
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Shipping details
Estimated ship dimensions: 10.4 inches length x 6.6 inches width x 8.3 inches height
Estimated ship weight: 1 pounds
We regret that this item cannot be shipped to PO Boxes.
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO
item ships from third party seller: Focus Camera
Return details
This item must be returned to any Target store.
This item must be returned within 30 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup.
See the return policy for complete information.
Related Categories
4.6 out of 5 stars with 114 reviews
amoled is bad for an outdoor adventure watch
2 out of 5 stars
Mattttttttttt - 5 days ago
originally posted on Garmin
I wanted to try the latest garmin watch after wearing the descent mk1 and quatix 7 solar for many years. The previous watches used an e-ink style display with plenty of resolution, perfect visibility in sunlight, and the only battery saving technique I worried about was whether or not to update the display with every second tick. The mk3i takes several steps backwards with the amoled screen. Sure, the resolution and colors are beautiful, but it doesn't matter because the screen is in power saving mode frequently enough that there is nothing to see when you turn your wrist over (there is a required nightly sleep mode that requires your other hand to turn the screen on to see any output). And when the screen is on under heavy sunlight or with sunglasses on you can't read the output either. Overall I will sell this one in favor of the Felix 8e with the superior MIP display.
The watch that does it all
5 out of 5 stars
Cip95 - 7 days ago
originally posted on Garmin
I have had my MK3i for about a year and it does everything I want, need and more. I use it primarily for diving, and it has performed as well as other dive computers I have owned. I also use for mountain biking, heart rate, altitude, hiking and running. As I contiune to explore the watch features I find more and more that I love about it. great buy!!!!
Fantastic Dive and Everyday Watch
5 out of 5 stars
Kohle K - 24 days ago
originally posted on ExpertVoice.com

Having already owned the Fenix 5 and 7X, I was already a fan of the Fenix line. During a dive trip 120' down in the famous "The Pit" cenote in Tulum, my dive computer crapped out. My buddy finned by, the bright, crisp screen of his Garmin Descent Mk3i clearly visible even from several meters away. I ordered one that night! After wearing it for a year: Fantastic screen, snappy performance, no issues syncing. A marked improvement over previous Fenix watches. Fantastic dive computer that makes it very easy to switch between gases. I use the light daily...it's no gimmick...great for both underwater as a handy light and for everyday nighttime bathroom trips. I would have ZERO hesitation recommending this. Especially if you don't already own a smartwatch and a dive computer, this is a 2-for-1 and solves both needs fantastically. Good job Garmin.
Style and function
4 out of 5 stars
Webb11 - 26 days ago
originally posted on Garmin
I have yet to dive with this watch but it was incredibly easy to set up. The battery lasts for a full 25 days however I charge it about every 10 days. Looks great and I actually like wearing it constantly.
Overall excellent watch
5 out of 5 stars
Scottff444 - 28 days ago
originally posted on Garmin
Very happy with all the features the and the dive computer
This thing rocks
5 out of 5 stars
Chonkyboi - 1 month ago
originally posted on Garmin
I’m a scuba instructor and also relatively active and the versatility in this watch is super convenient. The interface is also customizable so can adjust as you like. I can’t read analog clocks so the digital option with my heartbeat is sick. I have the titanium band so I had to take a couple digits off because I have tiny wrists but it’s super cozy and can’t even feel it there sometimes. Would buy for my kids if I had any, and would teach them Muay Thai so no one would steal it from them because this thing is cool
Great battery life, supports a lot of activities
5 out of 5 stars
Maxime L - 2 months ago
originally posted on ExpertVoice.com

The watch is super comfortable, fits pretty nicely, and is easy to put on and off. It doesn’t feel too heavy for the volume. I use it to record my runs, my hikes, and got it to go scuba diving with but haven’t done that yet. The heart rate monitor is pretty good, on par with most others. I got the hrm200 from garmin and it pairs nicely with it. The battery life is phenomenal especially coming from an Apple Watch. It’s easy to forget where the charger even is. (15-20 days easily, even with daily 1h+ activity recording) I have been enjoying their concept of body battery, it has brought some awareness to the need for rest and recover properly to me!
Amazing dive computer
5 out of 5 stars
Steven339 - 2 months ago
originally posted on Garmin
My wife surprised me with this computer. I love the features. I use it for running, strength training, and diving. When diving everything is easy to use and I really like the messaging feature with sub wave. Couldn’t be more happy with purchase.
More then I expected
5 out of 5 stars
Streetbob - 2 months ago
originally posted on Garmin
I purchased the Garmin Decent MK3I based solely on its ability to monitor my dive buddy's depth and tank pressure at up to 10 meters. I felt the other features were the same or comparable to other brands. This dive computer is super eazy to use yet capable of serving the requirements of the most advanced tech diver. I will never find Descent inadequate but the great folks at Garmin will, I'm sure will have me wanting the next iteration. Features I was not looking for or interested in are winning me over. If you are looking for a dive computer don't make your choice with out a close look at Garmin Descent.
Descent mk3i
5 out of 5 stars
Sethryan - 2 months ago
originally posted on Garmin
This watch is amazing! Best watch iv ever had very happy with it
Seamless in every way. Best ever
5 out of 5 stars
remar - 2 months ago
originally posted on Garmin
1st month. But super happy with this watch. Be nice if accessories were less expensive
Amazing watch
5 out of 5 stars
Trae12 - 2 months ago
originally posted on Garmin
I love this watch. It’s perfect for diving. I’ve done several dives with it. It’s a solid piece of gear.
Best Dive Computer I Have Ever Had!!!!!!
5 out of 5 stars
Chaddd - 2 months ago
originally posted on Garmin
Had the MK2i and loved it. Had to upgrade to the MK3i and it was a great upgrade. Best dive computer I have ever had!!!!
Simply amazing
5 out of 5 stars
Emerson - 2 months ago
originally posted on Garmin
I recently bought it with the main purpose of being a dive computer, I’m starting to use more of the features and the deeper I get to know it, the more I love it. Simply amazing
(no review title)
5 out of 5 stars
Richard S - 3 months ago
originally posted on ExpertVoice.com

Huge screen but not to heavy. Use it for diving but has tons of other features. I love the flashlight and utilizing the run features.
Fantastic timepiece
5 out of 5 stars
Cstar - 4 months ago
originally posted on Garmin
Love the watch. Had the 43 mm but wanted larger. Gave it to wife and bought this. Great dive computer, health apps and watch face combos to fit my mood.
Great watch love it
4 out of 5 stars
Speardiver26 - 4 months ago
originally posted on Garmin
Bought this two weeks ago great for diving live a lot of the features. Need some more safety stuff but all great
Almost Perfect
4 out of 5 stars
Ch12iz - 4 months ago
originally posted on Garmin
The watch is beautifully made. It works great and has amazing features. I gave it 4 stars because the charging port is way too big, there’s no cover for it on the market, making it vulnerable to corrosion. Also, at that price point, I should be able to perform an ekg on myself like the tactix and fénix watch. And yes, any Joe Schmo can interpret the ekg Garmin so easily provides and explains.
Bought this 6 days ago I’m totally in love
5 out of 5 stars
Carlos6900$$!! - 4 months ago
originally posted on Garmin
Great Computer has so many things going on looking forward to my first dive.
Birthday gift.
5 out of 5 stars
Mao67 - 4 months ago
originally posted on Garmin
I bought this watch as a self birthday gift and love it. Battery last for several days without charging it. Still learning all its features. Worth the price.