01 -  Cut the watermelon crosswise to create a single round slab approximately 2.5 cm thick. Pat dry thoroughly with paper towels for optimal yogurt adhesion. 
 02 -  Place the watermelon round evenly on a large cutting board or serving platter. 
 03 -  In a small bowl, combine the Greek yogurt with honey or maple syrup if desired, stirring until smooth. 
 04 -  Evenly spread the sweetened yogurt over the top of the watermelon, leaving a narrow border around the edge. 
 05 -  Arrange the sliced strawberries, blueberries, kiwi, and raspberries attractively over the yogurt layer. 
 06 -  Sprinkle with shredded coconut and chopped fresh mint, if using. 
 07 -  With a large sharp knife, cut the topped watermelon round into 8 wedges, as you would slice a pizza. 
 08 -  Serve immediately to enjoy the best texture and flavor.