For comfortable apartment living, come home to Colonial Square Apartments, a community of apartments in Yankton, South Dakota. Our one and two-bedroom floor plans come supplied with must-have amenities, including: window coverings and paid utilities. Our shared spaces are also home to an on-site laundry facility, professional management office, and ample parking. No matter your lifestyle, you're sure to enjoy the convenience afforded to you at Colonial Square Yankton.