Registered Tangible Cultural Properties of Japan

On riverless Kitadaitō Island, a sloping mortar floor of 500 square metres caught rainwater into two sunken tanks to supply the Shimosaka bath. Registered in 2007.

A round stone cistern supplying the Tōyō Sugar employee bath on Kitadaitō Island, about 2.5 m deep and 8.9 m across inside, with limestone walls. Registered in 2007.

A reinforced-concrete staff bath in the old company village of Kitadaitō Island, roofed with a segmental-arch slab and split into three rooms. Registered in 2007.

Around 1919, Toyo Sugar walled this phosphate store on Kitadaito: a 40 m rubble limestone wall pierced by four concrete rail tunnels. Registered 2006; open any time.

An 18 m concrete pier of about 1919 at Kitadaito's West Port, where twin rail grooves carried phosphate rock to barges. Registered in 2006; view it from the shore.

Built around 1905 on Izena Island, the Former Nashiro Family Residence Stone Wall is a 116 m coral stone enclosure, just over 1.5 m high, with rounded corners.

Built in 1905 on Izena Island, the Former Nashiro Family Residence Main House has plastered red tiles, a deep amahaji veranda and a nibanza split into two rooms.

A 13-metre brick chimney from a 1942 farmers' sugar mill in Miyakojima's cane fields: English-bond brickwork, flue arches, wartime requisition and roadside viewing.

A c. 1891 boundary wall of Ryukyu limestone blocks in Makabe, Itoman, 30 m long and 1.7 m high, capped with cut stone and backed by a hedge; registered in 2005.

A c. 1891 dug well in Makabe, Itoman: a round stone shaft about 1.1 m across and 8.6 m deep, cut stone on the drawing side, rubble behind, flanked by two posts.

A red-tiled house of c. 1891 in Makabe, Itoman, with an amahaji on two sides, eight-mat front rooms and a veranda over 1.8 m wide; registered in 2005, now an eatery.

A c. 1891 pigsty-cum-toilet in Makabe, Itoman: two roofless Ryukyu limestone pens, 4.1 by 3.1 m and 1.1 m high, built of irregular stones; registered in 2005.

The Kubura Family Residence Stone Wall on Yonaguni is a late-Meiji coral limestone wall, 39 m long and 1.3 m high, with big stones at its corner, registered in 2007.

The Kubura Family Residence Main House on Yonaguni is a mid-Meiji timber home said to come from Ishigaki, moved in 1940, with four rooms under a hipped tile roof.

The Sueyoshi Family Residence Stone Wall on Kitadaito is an early Showa limestone wall, 69 m long and up to 1 m thick on top, on the west and south of a corner lot.

The Sueyoshi Family Residence Main House on Kitadaito is an early Showa stone home of coursed limestone with concrete corners, registered in 2007 as early housing.

Sunjaga Well in Itoman, Okinawa's first registered cultural property: a Taisho-era limestone village well with a roofed basin, incense burners and New Year rites.

Chatan Town Uchinaa-ya Main House is an 1890 Okinawan farmhouse under a hipped red-tile roof, moved here in 2005, with amahaji eaves and rooms open to visitors.

Chatan Town Uchinaa-ya Furu is an early Meiji pigsty and toilet of Ryukyu limestone, with two arched chambers behind two stone pens, moved to the homestead in 2006.

Stone wall of 1953 at the Togei house on Yonaguni Island, 9.5 metres long, dividing the path from the front garden, built of stone dug for the house foundations.