01 - In a large mixing bowl, add cubed watermelon, diced cucumber, sliced red onion, and chopped mint leaves.
02 - Whisk together extra-virgin olive oil, freshly squeezed lime juice, sea salt, and black pepper in a small bowl until emulsified.
03 - Pour the lime dressing over the prepared fruit and vegetables, tossing gently to evenly coat without crushing the produce.
04 - If desired, sprinkle feta cheese over the composed salad immediately before serving.
05 - Serve immediately to maintain crispness and optimal freshness.