Here is a cool fishing kayak that unfolds to let you stand. The Fissot kayak has a max speed of 12 km/h. It runs on battery for up to 3 hours. The boat comes with rudder & speed controller, rod holders, battery box, storage space, and a whole host of other convenient features.
As the above GIF shows, you can stand or sit in this boat (your choice). The kayak has a 480W motor.
You can find out more about it here.