Place the watermelon cubes in a large mixing bowl, ensuring they are evenly spread out and chilled.
4 cups watermelon cubes
Crack the feta cheese into small crumbles and sprinkle evenly over the watermelon in the bowl.
1/2 cup feta cheese
Wash and coarsely chop the mint leaves, then add them to the bowl, distributing evenly.
1/4 cup fresh mint leaves
Drizzle the olive oil over the salad if using, then season with salt and pepper to taste. Gently toss everything together to combine.
to taste salt and pepper
Transfer the assembled salad onto a serving platter or individual plates, arranging the ingredients for visual appeal.