A rugged, full-function technical dive computer, the Shearwater Petrel accommodates both open circuit and closed circuit diving. In addition to air, divers can program up to five nitrox or tri-mix gasses for each. A two-button interface and intuitive menu system simplify programming and adjustments during the dive. It’s available in a “Standalone” version or EXT, which includes a Fischer connector for receiving O2 data.

SCUBAPRO’s Equator is a travel-friendly BC built for the rigors of the road and frequent diving. Its jacket-style design provides just the right amount of lift and its small backpack allows fold up compact storage.

Non-destructive testing (NDT) is quality control inspection that does not harm the components being tested. Since 1980 Ocean Corporation has risen to the challenge of training the world’s best NDT Inspectors.

Looking for the best of the best? This is the Top 100 Gold List of operators, resorts, live-aboards, underwater experiences (i.e., best big-animal encounters, shore dives and wrecks), dive bars and more, determined on a popularity contest basis. Rankings are based on the total number of responses, regardless of category.

From California's kelp forests and the walls of the Northwest to Florida's clear springs, the Midwest's shipwreck graveyards and Texas' Flower Gardens, we give you the best of our home region.

Beautiful, accessible and packed with marine life — these are among the favorite things divers love about the sun-kissed islands in the Caribbean and Atlantic.

The planet's best places to find pulse-pounding big animals, deep walls, massive wrecks, fascinating caves and more.