- Clearwater & Tarpon Springs
- clearwater@macssports.com
Garmin Descent Mk3i 51mm – Advanced Dive Computer & Smartwatch for Serious Divers
Explore the depths with confidence using the Garmin Descent Mk3i 51mm, the ultimate dive computer and multisport smartwatch designed for serious divers and adventurers. Featuring a rugged yet refined design, the Mk3i combines cutting-edge dive technology, long-lasting battery life, and premium smartwatch features in one powerful device.
Intuitive Dive Modes: Supports multiple dive types, including single and multiple gas dives (air, nitrox, trimix), gauge, apnea, and closed-circuit rebreather (CCR).
Built-in SubWave™ Sonar Technology: Enables diver-to-diver messaging and tank pressure monitoring when paired with compatible transmitters (sold separately).
51mm Titanium Bezel & Sapphire Lens: Built to withstand extreme conditions while offering a sleek, durable aesthetic.
Advanced Health & Fitness Tracking: Monitor heart rate, sleep, stress, and energy levels with Garmin’s comprehensive health tracking suite.
Topo Maps & Dive Sites: Preloaded dive site maps, GPS surface tracking, and multi-GNSS support for precise navigation.
Smartwatch Capabilities: Receive smart notifications, store music, and connect to Garmin Pay™ for contactless payments.
Extended Battery Life: Up to 48 hours in dive mode, 10 days in smartwatch mode, and 48 hours in GPS mode.
Whether you’re a professional diver, a technical enthusiast, or an adventurer who wants a feature-packed smartwatch, the Garmin Descent Mk3i offers unmatched performance, reliability, and connectivity. From deep-sea dives to everyday workouts, it’s the perfect companion above and below the surface.
Free Shipping on orders over $100. Returns accepted up to 30 days after purchase for refund if the item is unopened & unused. Customer is responsible for shipping costs to return items. Contact the store for any additonal questions 727-442-9931




Mac’s Sports Inc. is a family owned and operated dive shop with over 50 years experience teaching people to SCUBA dive, as well as teaching advanced SCUBA, classes.
Clearwater-727-442-9931
Tarpon Springs 727-942-3483
clearwater@macssports.com
2126 Drew St.Clearwater, FL 33765
926 N Pinellas Ave. Tarpon Springs, FL 34689
Copyright © Macs Sports 2025. All Rights Reserved.