Taiwanese company Thunder Tiger Robotix has created an awesome underwater drone for your superyacht: the TTR-SB Seawolf FPV!
This powerful little submersible has a GoPro Hero 4 (4K camera) inside a high-impact ABS hull. You sit on the deck of your boat and control it via a remote control joystick.
Buy Seawolf here
http://ttrobotix.com/product/seawolf-oceanrov-wire
