There is a nearby gully called Graves End which is marked by a circle of limestone rocks, so called due to the burial of several people who were found dead on the bay following a ship called The Caesar ending up wrecked nearby in 1760.
Pwll Du translates to 'Black Pool', named after a large pool formed behind the beach by a stream that filters through the pebble bank onto the beach, reports Wales Online.
The hard-to-reach UK beach that looks beautiful - but has a very dark past In the city of Swansea, known for its beautiful beaches, there's one that stands out despite being smaller - Pwll Du Bay.
The beach features a unique bank of thousands of pebbles, encircled by limestone cliffs, all set within a secluded and scenic location.
"The Caesar was an Admiralty tender ship on a recruitment mission when rough sea conditions on the channel drove it against the headland of Pwll Du.