Slice the lime into quarters and place the salt into a dish. Rub the lime over the rim of your serving glass and then roll the rim of the glass in the salt until coated. Fill the glass with ice.
Blend together your pineapple and watermellon. Pour the contents through strainer until only the juice is left.
Place the tequila, juice mixture, lime juice and agave into a shaker. Place the lid on tightly and shake well
Pour the contents over the ice and finish with a lime wedge.
Enjoy!
Notes
Blend your ingredients together for the perfect frozen margarita!