Onida offers
- Airport: 3,100-foot runway with radio-activated runway lights; tie-down and services available for transient aircraft
- Agar-Blunt-Onida School District (Sully Buttes High School) provides a quality education in grades K-12, as well as sports, music, drama and many other extra-curricular activities
- Sully Area Library, located at Sully Buttes High School
- Two public parks
- Camping area for groups (with permission) at fairgrounds with electric hook-ups, restrooms, showers & dump station
- Sully County Courthouse, built in 1911
- Volunteer Fire and Ambulance services
- Medical Clinic with Physician's Assistant
Activities available
- Year-around recreational opportunities: fishing, boating, hunting
- Sports: basketball, football, baseball, softball, volleyball, golf, wrestling, tennis
- Sully County Fair: held the second weekend in August
- Rodeos: Friday & Saturday of Sully County Fair
- Swimming: outdoor city pool & splash park for ages 6 and under
- 'Twas the Night Before Christmas: community-wide celebration, first Friday in December, features craft show, lighted parade, free hay rides, visit from Mr. and Mrs. Santa Claus, and more!
- Memorial Day program by American Legion and Auxiliary
