Kaichu Road
A nearly straight causeway of about 4.7 km across the shallows of Kin Bay, linking the Katsuren Peninsula with the outlying islands of Heanza, Hamahiga and Iko.
Kaichu Road, built in 1972, is a causeway about 4.7 km long that runs almost straight across the shallow waters of Kin Bay. It connects the Katsuren Peninsula in Uruma City on Okinawa's main island with Heanza Island. As you drive, you are surrounded by pale blue water, as if you were driving on the sea. Halfway across, the Ayahashi-kan roadside station is a good place to stop for a rest, to buy local specialities and to enjoy the view. Beaches beside the causeway are good for paddling, kite-surfing and wind-surfing. Continuing past Heanza Island, you can cross further bridges to Miyagi Island and Iko Island, where Iko Beach (a paid beach with clear water) is located, and to Hamahiga Island, sacred in Ryukyuan creation mythology. This route links several outlying islands in a single day. It takes about 1 hour to drive from Naha. A day trip that also includes the World Heritage site of Katsuren Castle is recommended. The road is toll-free. The shallows near the roadside station can be walked at low tide, and in the evening light, the causeway and the sea appear as one colour, making it an excellent place to take photos. Park only in designated areas and never stop on the roadside shoulders. Typhoons and strong winds can send waves over the road, causing temporary closures, so check the weather forecast before setting out.