Add gin, Vita Coco Mlk, lime juice and simple syrup to a cocktail shaker with ice. Shake until chilled.
Add the strawberry to the cocktail glass and gently muddle until broken down. Fill the glass with ice. Strain the cocktail mixture into the glass.
Garnish with a strawberry santa hat and mint sprig.
For the Santa Hat Garnish
Slice the hull off each strawberry to make a flat base.
Slice a thin strip of the large marshmallow. Flatten with your hand or place under something heavy.
Place the strawberry on the sticky side of the marshmallow and skewer onto your toothpick until just the tip of the toothpick comes through. Place a mini marshmallow on the tip of the toothpick.