Trearddur Bay (Welsh: Bae Trearddur) is a small village on Anglesey, Wales.
Take the B4545 from either Valley or Holyhead.
A number of buses (4, 23, 44) pass through the village travelling between Bangor and Holyhead.
There are good number of B&B guest houses and holiday rental cottages in the area.
2nd-order administrative division
Primary administrative division