Meet the Splash Drone 3: another waterproof drone that lets you capture 4K aerial footage. It floats and lets you see under water with its camera. The Fisherman version even has a payload release system to drop up to 2.5 lbs of bait.
The camera records 14 MP still photos as well. It has a lens with 106 degree field of view. The companion iOS or Android app provides you with the ability to change modes, fly the drone, and land it. The Splash Drone can follow you at up to 35 mph.