Vale of Glamorgan Wales Anglesey Church Island Ynys Fydlyn Holy Island (Anglesey) Anglesey Church Cribinau South Stack Llanddwyn Island Gwynedd Bardsey Walk to Cei Ballast Ynys Gifftan Pembrokeshire Caldey Gateholm Grassholm Ramsey St Catherine’s Skokholm Skomer Island Ceridigion Ynys Lochtyn Vale of Glamorgan Flatholm Sully Gower Worm's Head Middle Head Mumbles Head Flatholm Sully