I will have to disagree with lunaland on the food quality. While the breakfast is not anything spectacular (its just breakfast), we found the lunch entrees to be really quite good.....and the quality far beyond what you would find at the Disney parks in particular. I don't know what they do to their chicken tenders, but they are absolutely awesome!
disney1474, the link that has been provided is a very accurate summation of the menu offerings. I think you will be very pleased with the included food items...breakfast, lunch AND snacks.....at Discovery Cove. There's something for every taste

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