Surfdale is a settlement on Waiheke Island in northern New Zealand.

The original name being Okahu, Surfdale beach on Huruhi Bay has tidal mudflats, and is often used for windsurfing or kitesurfing.

The results were 85.3% European (Pākehā); 13.8% Māori; 3.9% Pasifika; 7.0% Asian; 6.6% Middle Eastern, Latin American and African New Zealanders (MELAA); and 2.3% other, which includes people giving their ethnicity as "New Zealander".

[7] Of those at least 15 years old, 531 (30.2%) people had a bachelor's or higher degree, 819 (46.5%) had a post-high school certificate or diploma, and 405 (23.0%) people exclusively held high school qualifications.

[7] Two of the three schools on Waiheke Island are on Donald Bruce Road in the Surfdale area.