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Description
Description
Meet the Garmin Descent X30 Dive Computer
Discover the new Garmin Descent X30 Dive Computer – a powerful 2.4″ color-screen dive companion built for recreational and technical divers who demand precision, safety, and performance beneath the surface that makes critical dive data easy to read at a glance, even in challenging conditions. With support for single and multi-gas dives (including Trimix), the X30 offers flexibility and precision for your dive planning.
Stay aware of your dive profile with **NDL-Aware™ depth metrics** that show you in real time how depth changes impact your no-decompression limit. Navigate confidently above and below the surface with a built-in **3-axis digital compass** and **surface GPS** to mark your entry and exit points. The new **flip-screen mode** gives you flexibility in orientation, and four large **leakproof metal buttons** make operation easy even with gloves.
Constructed with durable materials including **recycled ocean-bound plastics**, the Descent X30 is built to withstand the rigors of the sea. Rated to **10 ATM (100 m)** and powered by a rechargeable battery offering up to **30 hours in dive mode**, this is a high-performance instrument ready for your underwater adventures. Sync your dives wirelessly with the Garmin Dive™ app and stay connected to your dive history anytime.
Features
Features
- 2.4″ Vibrant Color Display — Clear, customizable dive pages with up to 3 data fields per screen.
- Multi-Gas & Trimix Support — Single-gas, multi-gas, and Trimix capability for technical divers.
- Flip-Screen Mode — Reorient your display and buttons top or bottom for ease of use.
- NDL-Aware™ Depth Metrics — Real-time visuals on how depth changes affect no-deco time.
- Surface GPS & Compass — Mark entry/exit points and navigate underwater with a 3-axis compass.
- Durable Build — Case and bezel constructed from recycled ocean-bound plastics.
- Leakproof Metal Buttons — Four rugged, glove-friendly buttons built to last.
- Long Battery Life — Up to 30 hours in dive mode (medium brightness).
- Wireless Sync — Upload and review dives via the Garmin Dive™ app (Bluetooth + ANT+).
- Surface Interval Tracking — Plan safe multi-dive sessions with built-in timers and logs.
- Audio & Vibration Alerts — Stay informed with alert modes underwater.
- inReach® Mini Integration — SOS messaging when paired (inReach Mini 2 accessory required).
Specifications
Specifications
| Physical Size | 78.7 × 61.8 × 24.7 mm |
| Weight | 7.0 oz (198.2 g) with silicone band • 5.6 oz (160 g) without band |
| Display | 2.4″ color LCD — 320 × 240 pixels |
| Lens Material | Chemically strengthened glass |
| Case / Bezel Material | Fiber-reinforced polymer (made with recycled ocean plastics) |
| Strap / Band | Hinged silicone; compatible with 26 mm QuickFit® bands |
| Water Rating | 10 ATM (100 m dive rating) |
| Battery Life (Dive Mode) | Up to 30 hours (medium brightness) |
| Battery Life (High/Night) | High brightness: ~10 hours; Night dive mode: ~47 hours |
| Charging Method | Garmin proprietary clip charger |
| Wireless Connectivity | Bluetooth®, ANT+® |
| Sensors / Navigation | GPS, 3-axis digital compass, depth, temperature, ambient light, accelerometer, gyroscope |
| Dive Modes Supported | Single-gas, multi-gas, Trimix (with full deco support) |
| Algorithms | Bühlmann ZHL-16C with customizable gradient factors |
| Alerts & Safety Features | Audio & vibration alarms, safety stop guidance, decompression stops, surface interval tracking |
| Compatibility | Garmin Dive™ app, Optional inReach Mini 2 integration |
What's Included
What's Included
- Descent X30 Dive Computer with Hinged Silicone Dive Band
- Garmin Charging Clip/Data Cable
- Screen Protector Kit
- Full Documentation
Ready to Dive: Your X30 comes complete with everything needed to start exploring immediately.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the difference between the Garmin Descent X30 and the X50i?
The X30 is the accessible entry to Garmin's large-format dive computers: a 2.4-inch color display operated by buttons (with a flip-screen mode), a 10 ATM rating, up to 30 hours of dive battery, full multi-gas and trimix support, surface GPS, and a housing made with recycled ocean-bound plastic. The X50i steps up to a 3-inch touchscreen with sapphire lens, a 200-meter rating, T2 air integration with monitoring for up to 8 divers, SubWave diver-to-diver messaging, DiveView bathymetric maps, and a built-in backup dive light. If you don't need air integration or mapping, the X30 covers serious recreational and entry-tech diving at half the price — and its simpler display actually gives it longer battery life.
Does the Garmin Descent X30 have air integration?
No — the X30 does not pair with Garmin's T2 transceiver, so it cannot show tank pressure on screen. If you want air integration (tank pressure, air time remaining, and buddy monitoring through Garmin's SubWave network), you need the Descent X50i or a Descent Mk3i watch.
How long does the Descent X30 battery last?
Garmin rates the X30 at up to 30 hours of battery in dive mode — the longest in Garmin's large-format dive computer line, and enough for a full week-long dive trip of repetitive diving between charges.
Is the Descent X30 good for technical diving?
It handles more than its price suggests: multi-gas and trimix support, NDL Aware metrics that show how your remaining no-deco time responds to depth changes, a 3-axis dive compass, and surface GPS for marking entry and exit points. Its 10 ATM rating covers recreational and most entry-level technical diving; for deeper technical work, air integration, or a 200-meter rating, look at the X50i or Descent Mk3i.
