Cefn sidan sands

Gwendraeth Estuary

Carmarthen Bay (Welsh: Bae Caerfyrddin) is an inlet of the south Wales coast. The coastline includes famous beaches, including the Pendine Sands and Cefn Sidan sands, and is partially covered by the Pembrokeshire Coast National Park.

The Loughor estuary and the rivers Tywi, Taff and Gwendraeth flow into the bay.