Pint Sized Updates from The Largest Family Run Brewery In The North West. Home of the Multi-Award Winning Old Tom, Dizzy Blonde and Iron Maiden TROOPER beerNorth Wales, market town, Anglesey, Cask ales, entertainment. The Foundry Vaults is located in the Llangefni area of Isle of Anglesey. There are at least 2 other listings in the LL77 postcode area. Musics in Isle of Anglesey LL77