In the future I can see this being a great way to get ashore from your anchored yacht, or using it to fly over a pod of dolphins. The Jetson ONE is an all electric (VTOL) vertical take-off and landing aircraft. Made by the Swedish company Jetson. This prototype was finished in 2018. They are currently working on a consumer friendly version with a delivery date sometime in 2022.
Find out more at: jetsonaero.com