Rinse and cut the tops off of the strawberries.
Combine strawberries, ice, tequila, lime aid, and Cointreau in a blender. Blend for 30 seconds until the mixture is smooth.
Slice a lime wedge in half. Rub the lime wedge around the rim of each glass and then place glass on plate and spin to garnish rim with strawberry sugar.
Pour the margaritas into glasses. Garnish strawberry margaritas with a lime wedge and fresh strawberry. Enjoy immediately.