Cut the peaches into 6 pieces and remove the pits.
Place the filtered water, 6 basil leaves, peaches, and honey in a big pot with a lid.
Bring the syrup to a boil, then simmer for 15 minutes.
Turn off the heat and let the syrup sit for 10 minutes.
Using a food colander and a large bowl, place the food colander in a bowl and strain the syrup.
Place the simple syrup in a glass mason jar. Make sure it cools before putting the lid on.
Now, mix the club soda and 1 cup simple syrup in a cocktail shaker or large cup.
Pour the drink into a fun glass, add an ice cube and garnish with 2 basil leaves.