What is "cribinau"

Cribinau is a small tidal island off the south west coast of the isle of Anglesey in Wales between Porth China and Porth Cwyfan. The island is in Aberffraw Community, about west of Aberffraw village.

The island can be reached on foot at low tide. It is notable for the 13th-century Church in Wales church of St Cwyfan, called in ("the little church in the sea") or simply Cwyfan.