Matavai Bay is a bay on the north coast of Tahiti, the largest island in the Windward group of French Polynesia. It is in the commune of Mahina, approximately 8 km east of the capital Pape'ete.
Wikipedia https://en.wikipedia.org/wiki/Matavai_Bay
Coordinates -17°30'1.092" N -149°29'48.924" E