Delicious on its own, add some top-shelf tequila (or champagne, or white wine) to this drink to create a beverage with more of a buzz.
4 key limes
6 cups purple grape juice
6 cups white grape juice
1 cup orange juice
1⁄2 cup lemon juice
1. Cut the orange, lemon, and limes into 1⁄4-inch rounds, retaining the rinds.
2. Combine all the ingredients in a large pitcher. Refrigerate for at least 4 hours before serving.