01 - Cut a thin slice from the bottom of the watermelon to create a stable, level base for serving.
02 - On the opposite side, mark and carve a Jack O Lantern face design using a small paring knife or pumpkin carving tools. Remove the cut-out pieces completely.
03 - Slice off the top quarter of the watermelon and set aside to use as a lid later.
04 - Using a melon baller or large spoon, scoop out all watermelon flesh, reserving it for the salad. Place the hollowed shell in the refrigerator to chill.
05 - Remove any seeds from the scooped watermelon flesh and cut into bite-sized pieces or balls.
06 - In a large mixing bowl, combine the prepared watermelon, cantaloupe, honeydew, pineapple, strawberries, blueberries, and grapes.
07 - Drizzle the fruit mixture with fresh lime juice and honey or agave syrup if using. Gently toss to coat evenly without mashing delicate fruits.
08 - Fill the chilled watermelon Jack O Lantern shell with the fruit salad mixture. Replace the lid if transporting, then serve immediately for optimal freshness.