01 - Place watermelon cubes, strawberries, and blueberries in a large mixing bowl.
02 - In a small bowl, whisk together lime juice, lime zest, honey or agave syrup if using, and pinch of sea salt until fully combined.
03 - Drizzle the citrus dressing over the fruit mixture. Gently toss to coat all pieces evenly without crushing delicate berries.
04 - Sprinkle chopped mint leaves over the fruit salad and give one final gentle fold to distribute.
05 - Refrigerate for at least 10 minutes to allow flavors to meld. Serve cold for maximum refreshment.