this is what I have on my list.
1) fresh fruit, banana's, grapes, strawberries, we love these at the pool
2) Deli meats, and chesse, Great to roll up for pool side snacking, or sandwiches
3) yogurt
4) Juice boxes, capri suns - easy for when your trying to get out in the morning.
5) Case of Bottle water
6) Soda - we prefer cans
7) Chips, cookies, granola bars, cereal bars
8) Adult Beverages
9) real Coffee
10) peanut butter and Jelly
11) Loaf of bread
12) Cheeze'its or goldfish crackers they make good snack in the parks
13) box of cereal for kiddo's when they were little
Things that I bring;
Ziploc Baggies ( several sizes), to hold a wet bathing suit or shampoo, to put a camera or phone in on a water ride or if it's raining.
Chip clips, cork screw (if you order wine),
Plastic forks, spoons, knifes.
Wipes - this is must for me, I wipe everything down before the luggage gets to the room, and I mean everything.
Liquid handsoap, and small hand sanitizers one for everybody.
kleenex hand towels or paper towel, napkins. I even have brought my own TP before
OTC - sinus, stomach, headache, eye drops, bandaids, neo to go, lip balm
sunscreen - the sports type sweat proof and water proof.
I hope this helps, Have a magical time....