In a small bowl, combine all the salad dressing ingredients and whisk until well blended. Set it aside.
Remove the stems from the strawberries and slice them into thirds or quarters.
Cut the watermelon into 1-inch cubes and place them on a serving platter along with the sliced strawberries. Gently fold in the chopped mint and crumbled cottage cheese. Finish by drizzling the dressing over the top, adding a squeeze of fresh lime juice, and a light sprinkle of sea salt.