10 Best Dive Computers 2026 in the United States

The Garmin Descent Mk3i is a high-end dive computer designed for divers who want a compact, watch-style device with advanced features. Its 1.2-inch AMOLED display is sharp and vibrant, easily readable underwater, complemented by a durable sapphire lens to resist scratches. Sized for smaller wrists at just 68 grams and 43 mm bezel diameter, it offers comfort without bulk.

One of its standout features is the air integration via the Descent T2 transmitter (sold separately), allowing real-time tank pressure monitoring for up to eight divers and diver-to-diver messaging up to 30 meters, which is excellent for group diving. The dive algorithm supports multiple modes, from recreational to technical diving and freediving, making it versatile. Battery life is solid for a dive watch, powered by a rechargeable lithium polymer cell, balancing usage time and compact size. Connectivity options include Bluetooth and USB, enabling easy syncing with Garmin's Dive app to review logs, share data, and explore dive sites with bathymetric maps. GPS and ABC sensors assist surface navigation and underwater orientation, though GPS doesn’t work underwater, which is standard for dive computers.

Beyond diving, it doubles as a multisport smartwatch with health monitoring, notifications, music storage, and Garmin Pay, making it practical for everyday use. The advanced air integration requiring an additional accessory adds cost and complexity, and while the screen is beautiful, some users may find the 1.2-inch size small if they prefer larger displays. This device suits serious divers seeking a reliable, feature-rich computer that also functions well outside the water.

The SUUNTO Ocean is a versatile dive computer designed with both diving enthusiasts and multisport users in mind. It features a bright 1.43-inch AMOLED touchscreen that’s easy to read underwater, thanks to its high-quality sapphire crystal and stainless steel build. This display makes navigating dive information simple and clear. It supports a range of diving modes including freediving, snorkeling, and multigas diving with air and nitrox, using the trusted Bühlmann 16 GF algorithm for reliable decompression calculations. A standout feature is its wireless tank pressure monitoring, allowing real-time tracking of multiple tanks with alarms for safety – a big plus for serious divers. Battery life is impressive, offering up to 40 hours in dive mode, which is enough for extended sessions, and it charges quickly in about an hour.

The watch also includes dual-band GNSS with offline maps, making above-water navigation and underwater route tracking possible, and saves dive routes in 3D for review later. Weighing about 1 pound and sized for comfort, it’s a bit on the bulkier side compared to simpler dive computers but reasonable for its feature set. Connectivity via Bluetooth lets you sync with the Suunto app to log dives and training data, and the watch supports over 95 sport modes, with AI coaching and compatibility with many partner apps for versatile fitness tracking. While the 100m water resistance suits most recreational diving, it may limit deeper technical dives. Its higher price and complexity might exceed the needs of casual snorkelers. Divers seeking a robust, feature-rich computer that doubles as a high-end multisport watch will find the SUUNTO Ocean offers a comprehensive, well-rounded package.

The Shearwater Research Teric Dive Computer is a highly-rated option for divers looking for a reliable and feature-rich device. With a 5-inch display, it provides clear visibility underwater, which is essential for reading important data. One of its strengths is its air integration capability, allowing divers to monitor their air supply directly from the computer, enhancing safety during dives. The algorithm used in this dive computer is well-regarded, as it effectively calculates dive profiles and helps manage decompression limits, making it suitable for both recreational and technical divers.

The lightweight design at just 40 grams adds to its comfort, especially during long dives, while its compact dimensions make it easy to carry. However, the nylon material might raise concerns about durability over time, particularly in harsh underwater environments. Additionally, while the Teric has excellent connectivity features for data transfer and syncing with other devices, some users may find the initial setup a bit complicated if they're not tech-savvy.

Battery life is a crucial factor for any dive computer, and the Teric offers a solid performance, but regular charging is necessary to avoid running out of power during dives. Potential buyers should note that this dive computer may be on the pricier side compared to other options in the market. The Shearwater Teric is an excellent choice for divers seeking an advanced dive computer with robust features, though its price and the potential learning curve for setup may be considerations for some users.