Welcome to the Square Onion!

Located in the I’on community in Mount Pleasant, South Carolina, we serve up gourmet sandwiches, soups & salads, take-and-bake casseroles, daily dinner entrees, desserts, a variety of dips and spreads and a unique beer and wine selection. We also can bring the delicious taste of Square Onion to your next event with our catering options. We’re a local, culinary destination in the heart of the Lowcountry with something for everyone. So stop in today.


Monday-Friday: 10:30-6:30
Saturday: 10:30-4:30
Sunday: Closed



What Our Customers Say!

“The turkey parm is to die for. Always great food and great service!”

~Megan Long Busell