Tá an t-eileann Oíche Shamhna ina oileán sa tSile san Aigéan Ciúin oirdheisceart, ag an bpointe is oirdheisceart den Triantán Pholainéiseach san Aigéan Ciúin. Is é an t-eileann Oíche Shamhna is cáiliúla as a beagnach 1,000 dealbh monumental atá ann, ar a dtugtar moai, a chruthaigh na daoine Rapa Nui luath.
n an Aigéan Ciúin oirdheisceart, ag an bpointe is oirdheisceart den Triantán Pholainéiseach in Oceania