Oki Hospital, operated by the Oki Wide-Area Union, is located in Okinoshima Town, Oki District, Shimane Prefecture, and serves as the central medical institution of the Oki Islands, situated in the Sea of Japan off the Shimane Peninsula. As the Oki Islands lie 40 to 80 kilometers from the mainland, this hospital plays a vital role in supporting the health and lives of island residents. The hospital offers internal medicine services, with outpatient consultations available weekday mornings from 8:30 to 11:00. The facility is closed on Saturdays, Sundays, public holidays, and during the year-end and New Year period (December 29 through January 3). Notable features include multilingual support in English, Korean, and other languages, as well as acceptance of credit cards and electronic payments, providing patients with a wide range of payment options. The facility is equipped with a parking lot and is fully accessible, with accommodations for wheelchair users and elderly patients. The Oki Islands can be reached by high-speed ferry or large passenger ferry from Shichirui Port in Shimane Prefecture or Sakaiminato Port in Tottori Prefecture, or by approximately one-hour flight from Osaka to Oki Airport. The hospital stands as an indispensable hub for remote island medical care in the region.