Ceibwr Bay (Welsh: Bae Ceibwr) is a bay opening into the Irish Sea in Pembrokeshire, west Wales. It is about 7 km west of Cardigan, and 3 km south of the headland of Cemaes Head. A part of it known as the Moyle is owned by the National Trust,[1] and lies within the Pembrokeshire Coast National Park and on the Pembrokeshire Coast Path.