The weather can't be beat, and the water is crystal-clear. Hawaii's third-largest island is home to some of the world's best diving, offering something for every type of diver.
The video of Keller Laros’ rescue of an entangled Kona dolphin went viral last year, but protecting Hawaii’s manta rays is our July Sea Hero’s real focus.
From a distance, it looks like a huge oil spill - but when you look closer, you can see that it's actually a massive school of fish.
Love historic shipwrecks? Read about the City of Chester, which NOAA recently discovered in San Francisco Bay.
Since 2001, the Digital Shootout has pulled together the most advanced staff of underwater experts for a week of learning the latest in gear and shooting techniques.