What is recorded here
No credible evidence exists that Green Island in County Down, Ireland is an Australian coral cay. The provided facts describe a different place entirely. I will not invent history for the Irish location or misrepresent the Australian one. If you want the story of either specific Green Island, tell me which place and area you mean.
Green Island is recorded as a islet in County Down. Its open map record supplies this location and any linked names or public references.
Places near here
TOWER-HOUSE: RINGHADDY CASTLE in RinghaddyTOWER-HOUSE: RINGHADDY CASTLE · 1309 yd
STONE QUAY in RinghaddySTONE QUAY · 1.0 mi
Conly IslandIslet · 1.2 mi
CHURCH (in ruins) in RathgormanCHURCH (in ruins) · 1.5 mi
STONE QUAY in BallymorranSTONE QUAY · 1.7 mi
ARCHAEOLOGICALLY SENSITIVE AREA AROUND THE CASTLE in RingdufferinARCHAEOLOGICALLY SENSITIVE AREA AROUND THE CASTLE · 1.9 mi
Sketrick IslandIsland · 2.2 mi
Long PointHeadland · 2.4 mi
The Round TowerVisitor information · 2.8 mi
CHURCH (unlocated) in GranshaCHURCH (unlocated) · 3.0 mi
Island Reagh, Strangford LoughWalking route · 3.2 mi
CHURCH & GRAVEYARD & COFFIN LIDS (2): ARDKEEN CHURCH in ArdkeenCHURCH & GRAVEYARD & COFFIN LIDS (2): ARDKEEN CHURCH · 3.4 mi