Ynys y Big, Isle of Anglesey

• Built-Up Area: Menai Bridge
• Parish/Community: Cwm Cadnant
• Unitary Authority: Isle of Anglesey
• Region: Wales

• Category: Water Feature
• Type: Island

• Latitude/Longitude: 53°14'0"N 4°9'3"W
• Eastings/Northings: 256532, 372882
• OS Grid: SH565728
• Mapcode Local: GBR 5P.064Y
• Mapcode Global: WH541.6ZLH

Location and coordinates are for the approximate centre of Ynys y Big within this administrative area. Geographic features and populated places may cross administrative borders.