:Mariandyrys

{{Use dmy dates|date=October 2019}}

{{Infobox UK place

| country = Wales

| welsh_name =

| official_name = Mariandyrys

| static_image =

| coordinates = {{coord|53.30877|-4.095618|region:GB|display=inline,title}}

| cardiff_distance_mi = 132.2

| cardiff_distance_km = 212.7

| london_distance_mi = 208.5

| london_distance_km = 335.4

| community_wales = Llangoed

| unitary_wales = Anglesey

| constituency_welsh_assembly = Ynys Môn

| constituency_westminster = Ynys Môn

| post_town = Beaumaris

| postcode_district = LL58

| postcode_area =

| dial_code =

| os_grid_reference = SH 6047 8114

| population =

| map_type =

}}

Mariandyrys is a village in the community of Llangoed, Anglesey, Wales, which is 132.2 miles (212.7 km) from Cardiff and 208.5 miles (335.4 km) from London.{{cite map|title=Google Maps|publisher=Google}}

Within the community and to the west of the village centre is an SSSI which is also a Nature Reserve managed by North Wales Wildlife Trust. It comprises an area of limestone grassland and heath with views to Snowdonia and the coast of Anglesey.{{cite web|url=http://www.northwaleswildlifetrust.org.uk/reserves/mariandyrys|title=Mariandydrys|publisher =North Wales Wildlife Trust|access-date=18 August 2017}}