Hen Pentref pysgota ydyw Porthdinllaen gyda llawer o hanes morwrol yn perthyn iddo. Mae yna tafarn sef Y Ty Coch ar lan y môr, mae o'n lle prysur yn yr haf.

Mae yna cwrs golff ar hyd y penrhyn ar cwch achub yn Lifeboat Bay.

Prynwyd y tir o gwmpas y benrhyn yn diweddar oddiar stâd Cefnamlwch gan Yr Ymddiriedolaeth Genedlaethol

Porthdinllaen is an old fishing hamlet rich in history associated with the sea. There is a public house- Y Ty Coch on the sea shore and is a popular destination during the summer.

The headland boasts a magnificent Golf course and the next bay along houses the lifeboat station.

The land around Porthdinllaen was recently purchased by the The National Trust and the unspoiled charm of this spectacular headland remains.