Ōmiha is a rural settlement on the southwest coast of Waiheke Island in the Auckland Region of New Zealand.

[3] The settlement began when the O'Brien brothers subdivided their farm in 1922, naming it "Omiha Beach Estate".

[5] A proposal that the name change to Rocky Bay in 2017 met strong opposition[6] and was rejected.

Ōmiha is part of the larger Waiheke East statistical area.

The results were 88.8% European (Pākehā); 12.4% Māori; 5.1% Pasifika; 1.7% Asian; 5.6% Middle Eastern, Latin American and African New Zealanders (MELAA); and 2.2% other, which includes people giving their ethnicity as "New Zealander".

[10] Of those at least 15 years old, 171 (35.0%) people had a bachelor's or higher degree, 192 (39.3%) had a post-high school certificate or diploma, and 126 (25.8%) people exclusively held high school qualifications.

The results were 88.7% European (Pākehā); 11.8% Māori; 3.0% Pasifika; 2.7% Asian; 4.9% Middle Eastern, Latin American and African New Zealanders (MELAA); and 2.7% other, which includes people giving their ethnicity as "New Zealander".

[15] Of those at least 15 years old, 348 (35.5%) people had a bachelor's or higher degree, 408 (41.6%) had a post-high school certificate or diploma, and 228 (23.2%) people exclusively held high school qualifications.