You really want to be lazy? Then you must check out the Excalibur Motorized Pool Lounger.
The device let's you float around your pool by using two separate propeller subassembly while you use absolutely no calories. Can you imagine seeing yourself floating around one of these guys in a crowed pool with dark sunglasses? Absolutely hilarious.
The pool floating device is powered by twelve 1.5 volt D-Cell batteries and is controlled with 2 Atari-2600-looking directional controls. The device also contains a built-in cup holder to hold a refreshing glass of margarita.
Go ahead, be lazy, as long as your having fun doing it.