List of stuff you might want to consider packing.
Beer
Blanket
Pillow
Shampoo, Conditioner, Body Wash, Loofah (Puff aka Bath Net lol)
Q-tips
Sandals/Shower shoes
Towel(s)
Sunblock
Bug spray
Beach or Camping chair for the show
Camera(s)
Spare car keys
Sunglasses and/Hat
Shammy (for the car wash)
Cleaning supplies
Tools
Walkie Talkies
Clothes (they help)
Cash
A good attitude!