Garmin Descent Mk2 & Mk2i Dive Smartwatches

Explore both of your worlds — underwater and topside — with the Descent Mk2 series of watch-sized dive computers. They feature multiple dive modes, such as single and multiple gas dives, gauge, apnea, apnea hunt and closed-circuit rebreather.

The Descent Mk2 series comes with ABC sensors with an underwater 3-axis compass as well as surface GPS capabilities to mark your entry and exit points¹. On land, the Descent Mk2 series doubles as a premium multisport GPS smartwatch with multi-GNSS support, multiple sports apps, wrist-based heart rate monitoring², Pulse Ox sensor³, advanced training features, Garmin Pay payment service⁴, music storage, smart notifications⁵ for calls, texts and calendar alerts and more.

The Descent Mk2i dive computer adds SubWave sonar technology for integrated tank pressure monitoring on up to 5 tanks when paired with the Descent T1 transmitter (sold separately), making it ideal for instructors or group dives.

Garmin Descent Mk2/Mk2i Dive Smartwatch: Key Features

DIVE MODES

Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather.

CUSTOMIZABLE DIVE MODES

Add additional screens for each dive mode that features the fields you want to see.

SURFACE MULTI-GNSS

Track your entry and exit¹ points with advanced satellite connectivity.

DIVE LOG

Store and review data for up to 200 dives — and share via the Garmin Dive app

INREACH COMPATIBLE

Pair with inReach satellite communicators and the inReach dive case.

PERFORMANCE METRICS

View advanced training metrics that include running dynamics, heat- and altitude-adjusted VO2 max, recovery advisor and more³.

PACEPRO TECHNOLOGY

A first-of-its-kind feature helps keep you on pace with grade-adjusted guidance as you run a course.

SPORTS APPS

Use preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more.

ANIMATED WORKOUTS

Easily follow animated workouts for cardio, strength, yoga and Pilates. View workouts right on your watch screen.

TOPO AND SKI MAPS

Use topographical maps to navigate your adventures and view run names and difficulty ratings for 2,000 worldwide ski resorts.

ABC SURFACE SENSORS

Navigate your next trail with ABC sensors, including an altimeter for elevation data, barometer to monitor weather and 3-axis compass.

WRIST-BASED HEART RATE

Optical heart rate³ technology gauges activity intensity as well as heart rate variability to calculate your stress level. It also tracks underwater without a heart rate strap.

PULSE OX SENSOR

For altitude acclimation or sleep monitoring, a Pulse Ox³ sensor uses light beams at your wrist to gauge how well your body is absorbing oxygen.

ALL DAY RESPIRATION

Track how you’re breathing throughout the day, during sleep and during breathwork and activities such as yoga.

TURN-BY-TURN NAVIGATION

Follow a route or course with help from turn-by-turn directions, which let you know ahead of time when the next turn is coming.

ROUND-TRIP ROUTING

Enter a distance you want to travel, and get suggested routes that will bring you back to your starting point. Trendline popularity routing helps you find the best local paths.

SAFETY AND TRACKING FEATURES

If you feel unsafe or if your watch senses an incident, assistance and incident detection features send your location to emergency services. Feature not available while in dive mode.

MUSIC

Store up to 2,000 songs, or access streaming music apps from your compatible services, including Spotify, Deezer and Amazon Music.

GARMIN PAY CONTACTLESS PAYMENTS

Breeze through checkout lines with Garmin Pay contactless payment solution⁴ through participating providers.

SMART NOTIFICATIONS

Receive emails, texts and alerts right on your wrist when paired with a compatible device.

CONNECT IQ STORE

Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store.

AIR INTEGRATION (ONLY IN DESCENT MK2i)

Pair with Descent T1 transmitter for integrated pressure monitoring on up to 5 tanks via SubWave sonar data network⁶.

SUBWAVE SONAR (ONLY IN DESCENT MK2i)

Transmit data — such as remaining air time, air consumption rate and more — for you and other divers within a range of 10 meters⁶.

¹ GPS tracking does not work underwater
² See Garmin.com/ataccuracy
³ This is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition; see Garmin.com/ataccuracy. Pulse Ox not available in all countries.
⁴ View current supported country, payment network and issuing bank information
⁵ See Garmin.com/ble
⁶ Additional equipment (sold separately) and device pairing required
⁷ When used with compatible sensor