Wendy's Pineapple Under the Sea Frostys contain between 200-520 calories, depending on your choice of size. The size with the fewest calories is the Jr Pineapple Under the Sea Frosty (200 calories), while the Large Pineapple Under the Sea Frosty contains the most calories (520 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.
