In a large pitcher combine the rose, orange-flavored liqueur, cantaloupe syrup, cantaloupe, and honeydew melon. Stir in the water. Pour into serving glasses and enjoy.
To make Cantaloupe Syrup:
Seed and peel the cantaloupe and then cut the melon into chunks. Transfer to a blender and process with the simple syrup until smooth. Pour in the vanilla extract and mix to combine. Store the mixture in the refrigerator until ready to use, up to 3 days.