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