Beaumaris
Beaumaris had anciently been an English town on a Welsh island, and its only competitor as a settlement to justify the description of borough was Newborough, which probably because of the encroachment of sand-drift had by the mid-sixteenth century become so impoverished as to forfeit any claim to a charter. G. Roberts, ‘Parlty Hist. Beaumaris, 1555-1832’, Trans. Anglesey Antiq. Soc. (1933), 98-9. The importance of Beaumaris lay in its harbour, protected from the ravages of the Irish Sea by the Menai Straits.