10 Best Diving Computer of 2025

Tested and Reviewed: Top 10 Diving Computer deals with expert ratings from 8.1 to a perfect 10

August 2025 Edition

Editor's Choice

9.7

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Garmin

Garmin Descent™ G1, Rugged Dive Computer, Multiple Dive Modes, Activity Tracking, Slate Gray

5% Off

Editor's bottom line:

“This diving computer is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Rugged, watch-style dive computer with a sapphire lens, silicone bands and an easy-to-read monochrome display
Battery life: up to 25 hours in dive mode, 21 days in smartwatch mode and 26 hours in GPS mode
GPS/GLONASS/Galileo support allows divers to mark surface entry and exit points so you can see exactly where you started and ended the dive
Track your activities with over 30 built in sports apps, advanced training features such as V02 Max so you can see how your body is adapting to training
24/7 wrist-based HR, Pulse Ox, Body Battery energy monitoring, sleep score and more give you insights into your health and wellness telling you when to slow down and take breaks (this device is intended to give an estimate of your activity and metrics. Pulse Ox not available in all countries; it is not a medical device.)
When paired with your compatible smartphone, enjoy smartwatch capabilities such as smart notifications, Garmin Pay contactless payments (with a supported country and payment network), and Connect IQ app personalization allow for 24/7 wear
Store up to 200 dives on your wrist. Upload, share and review dives in the Garmin Dive smartphone app, and even search for dive sites all over the world
Support for all types of diving recreational, advanced, technical, free diving and even spear fishing

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Picked by 182 people today

9.5

Shearwater Research

Shearwater Research Peregrine Dive Computer

Free Shipping

Main Highlights

Package dimensions: 6.69 inch L x 4.45 inch W x 4.33 inch H
Two-button interface: simple to navigate, state-aware menu structure. 316 stainless steel buttons
Battery life per charge is up to about 30 hours on medium brightness level
USB wireless charging station is included

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Best Value

9.5

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SEAC

SEAC Driver, Wrist-Mount Freediving Computer with Data Download System, one Size

20% OffFree Shipping

Main Highlights

Seac Sub Driver Computer, Owner's Manual
Seac Sub Driver Computer:
Wrist-Mount Computer for Freediving
Constantly Monitor Performance, Dive Values & Recovery Times
Extensive Internal Memory, w/Logbook Downloadable to PC or Mac

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9.2

Mares

Mares Puck Pro+ Wrist Dive Computer | Ultra Flat Design Watch-Style One Button Control Underwater Scuba Diving Computer, Blue/Black

Main Highlights

ULTRA FLAT DESIGN FOR PERFECT FIT - The Mares Puck Pro+ scuba diving computer boasts an ultra-sleek, flat design that guarantees a comfortable fit, even during long or multiple dives. Its compact form factor not only enhances comfort but also offers a modern, streamlined aesthetic
MULTI-MIX DIVE CAPABILITY - The Puck Pro+ scuba diving computer enables divers to handle complex multi-mix dives effortlessly, supporting up to two Nitrox blends ranging from 21-99%. This feature is ideal for divers who are expanding their capabilities and want added flexibility in their dive plans
INTUITIVE SINGLE-BUTTON CONTROL - Simplicity meets functionality with the Puck Pro+'s single-button interface, making it easy to navigate settings, modes, and dive data even while underwater. The intuitive button ensures that you can quickly access critical dive information with minimal effort
LONG-LASTING LOGBOOK WITH DETAILED PROFILES - Dive with confidence knowing that your Puck Pro+ scuba diving computer can record up to 35 hours of dive data at a 5-second sampling rate. This means you'll have a detailed log of every moment spent underwater, capturing key dive metrics with precision
UPGRADABLE FIRMWARE & BLUETOOTH CONNECTIVITY - Stay up to date with the latest features through easily upgradable firmware. Additionally, the Mares Puck Pro+ can be paired with the BLUELINK system, allowing for seamless wireless data transfers to your smartphon

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9.0

Mares

Mares Puck Lite Scuba Diving Computer | Watch-Style One Button Control Underwater Freediving Scuba Diving Computer

Free Shipping

Main Highlights

ZH-L16C algorithm with gradient factors ensures safe dive planning
Nitrox compatibility (21%-50%) supports single gas diving
High-definition display ensures clear visibility underwater
Bluetooth connectivity for instant logbook syncing and updates
User-replaceable battery powers up to 100 dives for convenience

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8.8

CRESSI

Cressi Leonardo, black/blue

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Main Highlights

A single button dive computer makes effortless to set Air, Nitrox and Gauge modes. Ideal for beginners in Scuba Diving. It is easy to use, easy to read all the information due to the high-definition screen that gives large numerical displays.
FO2 adjustable between 21% and 50%. PO2 adjustable between 1.2 bar and 1.6 bar. CNS oxygen toxicity graphic indicator.
Three levels of user adjustable conservatism. Visual and distinct, easy-to-hear audible alarms
User-sBattery life indicator. The device is powered by a long-lasting CR2430 button battery which can be replaced by an authorized Cressi center by verifying perfect watertightness.electable deep stop function. Adjustable unit of measure: imperial or metric. Battery life indicator. User changeable battery. Battery model: CR2433
The Leonardo dive computer is made in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling, and Freediving equipment since 1949

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8.6

SUUNTO

Suunto Zoop Novo Wrist Scuba Diving Computer, Black, Without USB

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Main Highlights

Operating modes: air, nitrox, gauge and freedom modes
Programmable for 21% to 50% oxygen mixtures
Imperial or metric programmable, decompression stop data, audible alarms
Back Lite display, easy to read in low light & night conditions
Maximum depth display: 330' (100 meters)

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8.3

Scubapro

SCUBAPRO Luna 2.0 Air Integrated (AI) Wrist Scuba Dive Computer with Bluetooth®, Includes Case and Silicone Arm Strap

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Main Highlights

Easy to Read Screen: Wide, high contrast black and white LCD display screen with large characters and a bright LED backlight.
Thin, Low Profile: Slim thermoplastic housing utilizes oil fill technology for reliable performance.
Simple Two Button Control: Intuitive menu and control makes it straightforward to operate
Wireless Air Integration: Monitors tank pressure and provides true remaining bottom time (RBT) calculations based on the workload from breathing.
Choice of 2 Algorithms: Predictive Multi-Gas Buhlmann ZH-L16 ADT MB PMG or ZH-L16+GF (Gradient Factor).
Three Dive Modes & Nitrox Compatible: Scuba, Gauge & Apnea. Nitrox compatible (100%) with 3 selectable gases.
PDIS (Profile Dependent Intermediate Stops): Calculates an intermediate stop based on N2 loading, current and previous dives, and breathing mixes for safer diving.
Personalization: MB (Microbubble) Levels lets you adjust the level of conservatism in the ADT algorithm to match your experience level, age and physical conditioning.
Human Factor Diving: Optional heart rate monitor (sold separately) records heartbeat and skin temperature that can be factored into the decompression calculation along with workload.
Convenient Bluetooth LE Interface: Lets you download dives to any iOS or Android device or PC/Mac. Firmware can be user updated.

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8.1

Garmin

Garmin Descent Mk2S, Smaller-Sized Watch-Style Dive Computer, Multisport Training/Smart Features, Light Gold with Light Sand Silicone Band, (010-02403-00) (Renewed)

Free Shipping

Main Highlights

Advanced, watch-style dive computer with a sunlight-readable 1.2 color display in a small, elegant design that you can customize with your QuickFit bands
Battery life: up to 30 hours in dive mode, 7 days in smartwatch mode and 6 hours in GPS mode with music
Surface GPS for estimated entry and exit points and so you know where you are above water
Enhanced estimated wrist-based heart rate and Pulse Ox (not a medical device and not intended for diagnosis or monitoring of medical conditions) sensing of blood oxygen saturation for advanced sleep monitoring and altitude acclimation at high elevations
Built-in support for multiple sports apps, advanced training features, Garmin Pay payment service (not all countries and payment networks are eligible), music storage with streaming service support (subscription may be required) and more
Upload, share and review dives in the Garmin Dive app (when downloaded on a compatible smartphone), and store up to 200 dives on your wrist
Six dive modes and ABC sensors, including an underwater compass for orientation below water

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8.1

Save 9%

Shearwater Research

Shearwater Perdix 2 Ti Dive Computer

9% OffFree Shipping

Main Highlights

Shearwater's toughest and most reliable full-size computer yet
2.2" backlit color LCD screen
Customizable vibration alert system
Air integration with up to four Shearwater transmitters
Powered by user-changeable single AA battery

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Our Best Overall Choice

Best Choice

9.7

Garmin

Garmin Descent™ G1, Rugged Dive Computer, Multiple Dive Modes, Activity Tracking, Slate Gray

5% Off

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Rugged, watch-style dive computer with a sapphire lens, silicone bands and an easy-to-read monochrome display
Battery life: up to 25 hours in dive mode, 21 days in smartwatch mode and 26 hours in GPS mode
GPS/GLONASS/Galileo support allows divers to mark surface entry and exit points so you can see exactly where you started and ended the dive
Track your activities with over 30 built in sports apps, advanced training features such as V02 Max so you can see how your body is adapting to training
24/7 wrist-based HR, Pulse Ox, Body Battery energy monitoring, sleep score and more give you insights into your health and wellness telling you when to slow down and take breaks (this device is intended to give an estimate of your activity and metrics. Pulse Ox not available in all countries; it is not a medical device.)
When paired with your compatible smartphone, enjoy smartwatch capabilities such as smart notifications, Garmin Pay contactless payments (with a supported country and payment network), and Connect IQ app personalization allow for 24/7 wear
Store up to 200 dives on your wrist. Upload, share and review dives in the Garmin Dive smartphone app, and even search for dive sites all over the world
Support for all types of diving recreational, advanced, technical, free diving and even spear fishing