Price: $1,599.99
(as of May 18, 2025 03:19:21 UTC – Details)

Introduction to the Garmin Descent Mk3i

The Garmin Descent Mk3i is a watch-style dive computer designed specifically for divers, offering a range of features to enhance the diving experience. It combines a bright 1.4” AMOLED display with a scratch-resistant sapphire lens, a 200-meter dive-rated case, and metal leakproof inductive buttons.

Features

Dive Modes and Communication: The device features multiple dive modes plus SubWave sonar technology for diver-to-diver communication via preset messages. It also supports monitoring of tank pressures and depth for up to eight networked divers when paired with the Descent T2 transceiver.
Built-in LED Flashlight: A built-in LED flashlight provides visibility in low-light conditions, with variable intensities and strobe modes, offering a bright, steady beam in either red or white light.
Dive Readiness Tool: A dive readiness tool shows how lifestyle factors such as sleep, exercise, stress, and jet lag can affect the body’s overall preparedness for diving, helping make better-informed dive plan decisions.
DiveView Maps: DiveView maps offer bathymetric depth contours and more than 4,000 dive sites to help find where to dive and get oriented.
Multi-band GPS Technology: Provides superior positional accuracy while out on the water, and built-in ABC sensors, including an underwater compass, help navigate every part of the dive.
Dive Log and Sharing: A dive log lets you store and review data from up to 200 dives, plus share and review dives in the Garmin Dive app on a compatible smartphone.
Sports Apps and Health Monitoring: Built-in sports apps support an active lifestyle, and features like wrist-based heart rate, advanced sleep monitoring, respiration tracking, and Pulse Ox provide 24/7 health and wellness monitoring.

Pros

Advanced Dive Features: Offers multiple dive modes, SubWave sonar technology, and detailed dive planning and logging capabilities.
Durability and Design: Features a 200-meter dive-rated case, scratch-resistant sapphire lens, and metal leakproof inductive buttons for durability.
Enhanced Safety: Includes a built-in LED flashlight for improved visibility and a dive readiness tool for safer dive planning.
Multi-sport Functions: Supports various sports and activities beyond diving, making it a versatile accessory for an active lifestyle.
Smart Features: Includes Garmin Pay contactless payments, music storage, and smart notifications for staying connected.

Cons

Cost: The Garmin Descent Mk3i is a premium product with a higher price point compared to basic dive computers.
Complexity: The multitude of features can make the device complex to use for beginners or those not familiar with dive computers and smartwatches.
Dependence on Accessories: Some features, like the Descent T2 transceiver for tank pressure monitoring, require additional purchases.
Size and Weight: The device, especially with the titanium bracelet, may be larger and heavier than some users prefer for everyday wear.