This building has classrooms, teacher offices, joint research rooms, computer rooms, a CALL lab, and a reading room for the visually impaired.

This building has classrooms, laboratories, study spaces and lounges, printing rooms, and various facilities for student activities.

This building has classrooms, teacher offices, joint research rooms, computer rooms, graduate school facilities, research institute facilities, and a mock courtroom.

This building has classrooms, teacher offices, a health consultation room, a counseling and nursing skills support room, the student-support services office, a counseling room, and a nursery.

This building has psychological counseling rooms and a large lecture hall that can accommodate up to 500 people.

This sports complex is fully equipped with a spacious main court, training rooms for various martial arts, a weight room, shower rooms, and more.

The athletic field has artificial grass, for pleasant year- round use.

This building has rooms for student clubs, sports teams, and other student activities.

This building houses various offices and other facilities to support the university’s administrative functions. Students can consult staff in various offices about student life.

This building has the university bookstore and shop, a lounge, a hall, guest accommodations, and Japanese-style rooms.

This multipurpose facility has a convenience store, student cafeteria, a cafe, and other facilities to help students have a pleasant time on campus.

OKIU has a Seminar House, located in Higashi Village in Kunigami District. The Seminar House is a lodging facility with a multi-purpose hall and athletic field for seminars, clubs, teams, and other student activities. All OKIU students can use the facility.