Pour 5 oz. of coconut rum into a blender.   Add one 10 oz. can of Frozen Bacardi Mixers Non-alcoholic Margarita concentrate.  Fill the remainder of the blender with frozen watermelon.  Blend until smooth and combined.

Wet the rim of 4 - 8 oz. cups with lime and salt the rims.  Add the blended mixture to the glasses and garnish with a wedge of lime.