
Garmin Descent Mk3i: Top Dive Smartwatch
If you’re into diving or fitness, the Garmin Descent Mk3i might just be the perfect watch for you. This advanced dive computer and multisport GPS smartwatch comes packed with features that make it worth the investment.
With a 1.4-inch AMOLED display, a scratch-resistant sapphire lens, and a durable titanium bezel, this watch is built to last. It includes multiple dive modes and can even send messages between divers up to 30 meters away.
Many users have praised the Garmin Descent Mk3i for its incredible range of features. One user mentioned how it consolidates all their health stats and activities in one place, making it a great all-around smartwatch.
Another user shared their excitement about the watch’s dive capabilities, noting how easy it is to use and how clear the display is underwater. They also appreciated the vibration alerts and detailed air consumption tracking.
Stunning Display and Durable Build

The Garmin Descent Mk3i features a 1.4-inch AMOLED display that’s easy to read even in bright sunlight. The screen is protected by a scratch-resistant sapphire lens, ensuring durability. The 51 mm titanium bezel and optional titanium bracelet add to its rugged design, making it perfect for both diving and everyday wear.
Designed for Diving

This watch is made specifically for diving, with a 200-meter dive-rated case and metal leakproof buttons. It supports multiple dive modes, from recreational scuba to technical diving and freediving. This makes it a versatile tool for divers of all skill levels.
Advanced Sonar Technology

With SubWave sonar technology, you can send preset messages to other divers up to 30 meters away. It also lets you monitor tank pressures and depth for up to eight divers within a 10-meter range, when paired with the Descent T2 transceiver, which is sold separately.
Built-in LED Flashlight

The built-in LED flashlight offers different brightness levels and strobe modes. Whether you’re diving or on land, the flashlight provides a strong, steady beam of red or white light, giving you better visibility in low-light situations.
Dive Readiness Tool

Garmin’s dive readiness tool shows how factors like sleep, exercise, and stress affect your body’s readiness for diving. This helps you make better decisions about your dive plans. The data is an estimate but gives you a good idea of your overall preparedness.
DiveView Maps

DiveView maps provide bathymetric depth contours and details of over 4,000 dive sites. This helps you find the best dive spots and get oriented underwater. It’s a helpful feature for both new and experienced divers.
Accurate GPS and Navigation
The watch uses multi-band GPS technology for precise location tracking when you’re on the water. It also has built-in ABC sensors, including an underwater compass, to help you navigate your dive from start to finish. Note that GPS tracking doesn’t work underwater.
Comprehensive Dive Log
You can store data from up to 200 dives right on your wrist and review it anytime. The Garmin Dive app lets you share and review your dives on your smartphone, providing a convenient way to track your diving history.
Fitness and Training Features
The watch includes built-in sports apps that support various activities, offering insights to help you build strength and endurance. Whether you’re running, cycling, or hiking, the watch provides valuable data to improve your performance.
Health and Wellness Monitoring
Get round-the-clock health monitoring with features like wrist-based heart rate, advanced sleep tracking, and respiration tracking. The watch also includes Pulse Ox, though it’s not available in all countries. This is not a medical device, but it gives you a good estimate of your health metrics.