Yes, you can reenter the parking lot at Disney World as many times as you need in a single day without paying again. Your parking fee is valid for the entire day across all four theme parks (Magic Kingdom, EPCOT, Hollywood Studios, and Animal Kingdom). This is a fantastic "travel hack" for families who want to visit a park in the morning, drive back to their hotel for a midday nap or pool break, and then return for the evening fireworks. When you first pay for parking, you will receive a receipt; simply keep this receipt and show it at the auto-plaza when you return to the lot. If you are a Disney Resort guest or an Annual Passholder, standard theme park parking is already included in your benefits, so you simply scan your MagicBand or phone for entry and reentry. Just keep in mind that parking lots are massive, so it’s wise to use the "Car Finder" feature in the My Disney Experience app to remember where you left your vehicle upon your return.