Peel and dice the peaches into bite-sized, uniform pieces, about 1-inch in size.
Cube the watermelon into chunks.
Place the diced peaches and watermelon into a large mixing bowl.
Gently toss the fruit together with a spoon or tongs.
Add 1 tablespoon of fresh lime juice for a touch of citrus, or more to taste.
Garnish with fresh mint leaves for added color and flavor.
Refrigerate for 10–15 minutes before serving for a chilled salad.
Serve immediately for the freshest taste, but you can refrigerate for 10-15 minutes for a chilled option before serving.