The complimentary cups of ice water provided at Walt Disney World quick-service restaurants are generally pulled from the same lines that supply the soda fountains, meaning it is filtered and typically tastes much better than standard tap water. However, the water from drinking fountains and some newer bottle-refill stations throughout the parks is often unfiltered and may have a noticeable "sulfur" or "swampy" taste common to Florida's groundwater. In 2026, many frequent visitors suggest bringing a refillable bottle with a built-in filter if you are sensitive to the taste. For the best-tasting free water, always head to a food service counter and ask for a cup of ice water, as those filtration systems are designed to ensure the quality of fountain drinks like Coca-Cola.