Refillable mugs are available at most of the Walt Disney World Resort hotels and both Disney water parks. They allow you to pay a single fee per mug for unlimited soft drink refills at the food court or pool bar during your stay at that resort. The water park mugs can be refilled at any Quick Service Restaurant or small stands that have Fountain Sodas.
Resort refillable mug $13.99 + tax for the length of your stay to be refilled at your resort
Water Park refillable mug and day of purchase refills $10
Water Park refillable mug refills using original mug on a return visit $5