In large pitcher, stir together coconut water, diet guava nectar, orange slices and mint. Transfer pitcher to refrigerator until ready to drink.
Right before serving, add soda. Pour into tall glass with ice.
Offer no - and lower-calorie drinks, such as GOYA® Diet Nectar, Diet Soda and Unsweetened Coconut Water, to your guests. These drinks are loaded with flavor, so they can still enjoy the taste while saving room for more filling, nutrient-dense calories from food.