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.
This is one way to keep your tent up out of rain puddles, but probably pretty sketchy in a windstorm. Suspended tent, can be made from old trampoline or similar hoop. - Floating Round Hanging Bed With Waterproof Tent For Camping Or Outdoor Use