Step 1.
- Prepare a large punch bowl with ice.
Step 2.
- In a separate pitcher, combine gin, fresh lime juice, simple syrup, and cucumber slices. Stir well.
Step 3.
- Pour the mixture into the punch bowl over the ice, then add soda water.
Step 4.
- Stir gently to combine all ingredients.
Step 5.
- Garnish with additional cucumber slices and fresh mint leaves before serving.