At Walt Disney World, you are welcome to bring your own non-alcoholic beverages into the theme parks, provided they are not in glass containers. Plastic bottles, juice boxes, and reusable water bottles (like Hydro Flasks or Stanleys) are perfectly fine. You can even bring a small, soft-sided cooler to keep them chilled, though it must fit within the size limit of 24" x 15" x 18" and cannot contain loose ice (reusable ice packs are allowed). Alcohol is strictly prohibited from being brought into any of the four main theme parks, and "pungent" or strong-smelling drinks are discouraged. In 2026, many savvy guests bring flavored electrolyte powders to mix with the free cups of ice water available at every quick-service location, allowing them to stay hydrated throughout the Florida heat without paying for expensive bottled sodas inside the parks.