Come to On The Border in Rapid City, SD and enjoy authentic Mexican food favorites, like mesquite-grilled fajitas, tacos or one of our famous margaritas.
$4 Watermelon Margs for National Watermelon Day! Get a Grande for $1.00 more or CoronaRita™ for $2.00 more. Valid Thursday, August 3, 2017
Watermelon Margaritas are back for the summer!