Carrying a water bottle at Disney in 2026 is best managed with a crossbody water bottle bag or a dedicated backpack side pocket. Because of the intense Florida and California heat, many guests prefer 32-ounce insulated stainless steel bottles (like a Hydro Flask or Yeti) to keep water ice-cold all day. A popular 2026 trend is the "Water Bottle Sling," which is a small mesh or neoprene pouch with a strap that allows you to carry just your bottle and a few cards, keeping your hands free for snacks or photos. Alternatively, many use a CamelBak-style hydration bladder inside a small daypack, which allows for constant sipping without having to reach for a bottle. Disney’s 2026 security rules allow you to bring in your own water as long as it isn't in a glass container. Pro-tip: you can refill your bottles for free at the various "Quick Service" water stations and filtered bottle-filling kiosks located near the restrooms in newer lands like Star Wars: Galaxy's Edge or Avengers Campus.