Aqua Lung i300c Dive Computer

At a glance

Aqua Lung i300c Dive Computer is a dive computer from Aqua Lung, rated 4.3 out of 5 and placed 15 of 33 in our dive computers shortlist. Its defining number is display: 1.4 inch color LCD. It scores hardest on comfort and fit (70/100) and softest on value for money (66/100). The clearest advantage divers report: bright, vivid color screen readable in low light and deep water.

What the dive computer actually gives you

Where it wins and where it costs you

Full review: Aqua Lung i300c Dive Computer

The Aqua Lung i300c is a user-friendly dive computer designed for recreational divers who want reliable performance without a complicated interface. Featuring a bold, high-contrast display, the i300c makes it easy to read critical dive data such as depth, no-decompression limits, and tank pressure even in low-visibility conditions. It offers air, nitrox, and gauge modes, giving divers flexibility across different types of dives, while its algorithm—based on the trusted Pelagic Z+ system—provides accurate and conservative dive planning. The intuitive three-button navigation system ensures that both new and experienced divers can quickly access settings and dive logs without confusion.

One of the standout features of the i300c is its Bluetooth connectivity, which allows divers to sync their dive data directly to the Aqua Lung DiverLog+ app on a smartphone. This makes logging dives, tracking dive history, and reviewing detailed statistics simple and convenient, eliminating the need for manual logbook entries. The computer also supports firmware updates via the app, ensuring that it stays current with the latest performance enhancements. Its user-replaceable battery is another practical touch, allowing divers to swap batteries at home rather than needing professional servicing, which reduces downtime between dives.

Built to withstand the rigors of underwater exploration, the Aqua Lung i300c is rated for recreational diving depths and constructed with a durable, streamlined design that fits comfortably on the wrist. It includes essential safety features such as audible and visual alarms for ascent rate, no-decompression limits, and battery life, helping divers stay within safe parameters throughout their dive. Compact yet fully functional, the i300c strikes a balance between simplicity and advanced functionality, making it an excellent choice for divers who want a dependable, easy-to-use computer that doesn't compromise on essential dive-tracking capabilities.