Land Speeder and Speeder Bike eFoils are crying out to be made.
The closest thing I found was the “HydroFlyer”:
https://www.thehydroflyer.com/
The riding position is somewhat different to an efoil Speeder Bike, though, where your legs would presumably start in the water like with this design:
It looked like a landspeeder, and felt like watching a fake youtube video.