- 2 cups ice cubes
- 1 cup water
- large mint sprigs
- 10 large mint leaves
- 3 tablespoons fresh lime juice
- 1 pound Persian or English hothouse cucumbers
- 1 cup green seedless grapes
Additional ice cubes (for serving) Puree cucumbers, ice, grapes, water, and lime juice along with 10 mint leaves in blender. Strain. DO AHEAD: Can be made 6 hours ahead. Cover and chill. Fill 6 glasses with more ice; pour agua over. Garnish with additional mint sprigs.