Experienced cave diver details what it's like to discover new cave lengths and set the record for the longest dive into an underwater cave without resurfacing.

These 700 islands offer an unbeatable mix of underwater adventure, with shark dives, wrecks, reefs, grottoes and more.

The private island of Ni‘ihau harbors some of the most unspoiled diving in Hawaii. It’s a true frontier adventure for divers who want to experience rare sights that few before them have seen. And Seasport Divers, a full-service dive operator on neighboring Kauai, has more than 30 years of local knowledge diving the Forbidden Isle

These neoprene boots feature a treaded 8 mm sole to protect against punctures, stings and slips.

This top-shelf regulator offers precision performance and enhanced ergonomics to match its glossy good looks.

All Star Liveaboards

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Eden Beach Resort

Atomic designers applied lessons from human factor engineering, based on extensive research, scanning and modeling, to develop new mask seal geometry to better fit different face shapes and sizes.