Wash the watermelon and pineapple thoroughly. Remove the rind and seeds from the watermelon and cut it into cubes. Peel the pineapple, remove the core, and dice it into small pieces.
Blend the Ingredients: In a blender, add the diced watermelon, pineapple chunks, lime juice,.Blend until smooth.
Strain (optional): If you prefer a smoother juice, strain the blended mixture through a fine-mesh sieve to remove any pulp.
Pour the juice into glasses over ice cubes if desired. Garnish with mint leaves for a refreshing touch.
Sip and enjoy the refreshing taste of watermelon pineapple juice!