This would be cook for crayfish boil! I think anything with built in cooler space is probably a good idea for summer. Kids wagon, outside seating, or this: DIY Patio Table With Built-In Beer/Wine Coolers.
These pools by Master Pools Builders will grab your attention. Imagine sitting in a dry sunken island-lounge area in the pool. See these and more amazing pool features. Article in Luxury Pools Magazine, Spring 2010
Check out this outdoor theater! You could fit the whole neighborhood in your backyard! Amazing that you can have the neighborhood over to watch movies in the yard! You can even swim in the gorgeous pool beneath the screen while More - House Today