Check out the YoCam, a small camera that is waterproof up to 20 feet (IP68). It takes photos or video, and has video stabilization, too. It weighs just 1.9 ounces, and it has a companion app for iPhone and Android devices for processing images. You can get YoCam through our deal for $179.
Check It Out: YoCam Versatile Waterproof Camera: $179