Irabu Prefectural Natural Park (伊良部県立自然公園, Irabu kenritsu shizen kōen) is a Prefectural Natural Park on and around the islands of Irabu and Shimojishima, Okinawa Prefecture, Japan. The islands, part of the Miyako island group, are adjacent but divided by a narrow channel. The park was established in 1995 and includes a designated marine zone of 23 km².^[1]

Irabu Prefectural Natural Park
伊良部県立自然公園
Irabu and Shimojishima
Location	Okinawa Prefecture, Japan
Area	57.39 km²
Established	1 September 1995