Sorry, Mello Yello is not available at WDW. Just got back and all that is offered are Coke, Diet Coke, Sprite or Dasani water in 20 oz. bottles and from fountains, Coke, Diet Coke, Sprite, Fanta Orange, Minute Maid Lemonade, and maybe 2 other choices. (I can't remember.) No Mello Yello or...