Combine sugar and water in a saucepan.

Bring the mixture to a boil until the sugar is dissolved.

Remove the pan from heat.

Stir in the diced ginger, lime zest, and lime juice.

Allow the syrup to cool completely.

Scoop melon balls from cantaloupe, honeydew, and watermelon.

Thread melon balls onto skewers, alternating the different types of melon.

Drizzle or brush the cooled syrup over the melon skewers.

Sprinkle chopped cilantro over the skewers.

Serve immediately or chill for later.