Manaia is a locality on the western side of the Coromandel Peninsula of New Zealand.

It lies to the east of State Highway 25, south of Coromandel and north of Tapu.

[3] The Manaia Forest Sanctuary, inland from Manaia, contains the sixth largest kauri tree in New Zealand.

[4] The Sanctuary contains about 410 kauri trees in an area of 101 hectares.

[8] A Manaia School is first mentioned in a Department of Education report for 1878.