Run a lime wedge around the rims of your glasses and dip them in salt. Set aside.
Blend the strawberries, tequila, triple sec, lime juice, and simple syrup. Blend until completely smooth.
Add the strawberry mixture to a shaker filled with ice. Shake for 15-20 seconds.
Fill glasses with ice and pour the margarita over the top. Garnish with lime wedges and a strawberry. Serve immediately.