Answer the ocean’s call with Descent X30. This large-screen dive computer with a 2.4″ vibrant color display makes it easy to view critical information at a glance. Enjoy support for single- and multi-gas dive profiles, including trimix. Navigate below the surface with the 3-axis compass, and maintain situational awareness with audible and vibration alerts. Extend your bottom time with NDL Aware™ depth metrics and see in real time how specific depth changes impact your no-decompression limit (NDL). Built for divers by divers, Descent X30 features a housing and bezel made with recycled ocean-bound plastics. The rugged design features a 10 ATM dive rating and 4 large, metal leakproof buttons. Use the surface GPS to navigate to dive sites and mark entry and exit points. Wirelessly upload your dive logs back on deck, and review data from your dive in the Garmin Dive™ smartphone app. Plus, get up to 30 hours of battery life in dive mode so you can explore longer.
New Features in the Descent X30 vs. Descent x50i
NEW! 2.4″ COLOR DISPLAY
The vibrant 2.4″ display allows you to see critical information and custom dive screens at a glance on a large and easy-to-read color display.
NEW! FLIP-SCREEN MODE
Orient the buttons on top of the display with flip-screen mode. Navigate your custom dive screens with up to 3 data fields per page. The large, metal leakproof buttons are easy to use, even with gloves on.
NEW! NDL AWARE™ DEPTH METRICS
Extend your bottom time with NDL Aware depth metrics that work in real time to show how specific depth changes can impact your no-decompression limit (NDL).
NEW! HINGED DIVE BAND
The comfortable and durable hinged silicone dive band fits easily over your wetsuit. Descent X30 is also compatible with 26 mm QuickFit® bands, including the 26 mm bungee mount.
Plus, More Great Features of the Descent X30
MULTIPLE DIVE PROFILES
Enjoy support for single- and multi-gas dive profiles, including trimix.
SURFACE GPS AND COMPASS
Mark your surface entry and exit points with advanced satellite connectivity. Find your target before you dive with the reference point tool, and navigate underwater with the 3-axis digital compass.
ECO-FRIENDLY DESIGN
100% of the plastic used in the dive computer’s housing and bezel is made with recycled ocean-bound plastics.
DYNAMIC DEPTH CHART
See your depth history during a dive, and get a clear understanding of where you have been and how it affects your decompression plan to help guide your ascent
DIVE LOG
Store and review data for all your dives — and share via the Garmin Dive™ app.
GARMIN DIVE APP
Pair the app with your Descent dive computer to automatically sync and upload your dive logs.
WATER THERMOMETER
Find the thermocline with the onboard water temperature sensor.
SURFACE INTERVAL TRACKING
This feature helps you plan multiple dives in a day to ensure your body has enough time to properly off-gas.
STAY ALERT
Increase situational awareness with audible and vibration alerts.
INREACH ® MINI CONNECTIVITY
Pair with the inReach Mini 2 satellite communicator1 and the inReach dive case (each sold separately) to remotely trigger an SOS message when you are above the surface.
BATTERY LIFE
Get up to 30 hours of battery life in dive mode.
1Active satellite subscription required. Some jurisdictions regulate or prohibit the use of satellite communication devices. It is the responsibility of the user to know and follow all applicable laws in the jurisdictions where the device is intended to be used.

















