Cable Bay is a settlement on the southern side of Doubtless Bay in Northland, New Zealand. State Highway 10 runs through it. It is one of the Taipa-Mangonui string of settlements, separated from Taipa on the west by the Taipa River and from Coopers Beach on the east by Otanenui Stream.^[3]

The name comes from the Pacific Cable Station which was a terminus of a telegraph cable running between New Zealand and British Columbia as part of the All Red Line. The station was established in 1902^[4] and operated until the terminus was moved to Auckland in 1912.^[5][6]

Statistics New Zealand describes Cable Bay as a rural settlement. It covers 3.63 km² (1.40 sq mi)^[1] and had an estimated population of 1,100 as of June 2023,^[2] with a population density of 303 people per km². Cable Bay is part of the larger Taumarumaru statistical area.^[7]

Cable Bay had a population of 891 at the 2018 New Zealand census, an increase of 198 people (28.6%) since the 2013 census, and an increase of 279 people (45.6%) since the 2006 census. There were 351 households, comprising 414 males and 477 females, giving a sex ratio of 0.87 males per female, with 132 people (14.8%) aged under 15 years, 105 (11.8%) aged 15 to 29, 381 (42.8%) aged 30 to 64, and 273 (30.6%) aged 65 or older.

Ethnicities were 80.5% European/Pākehā, 27.6% Māori, 3.4% Pacific peoples, 3.0% Asian, and 2.4% other ethnicities. People may identify with more than one ethnicity.

Of those people who chose to answer the census's question about religious affiliation, 49.2% had no religion, 36.7% were Christian, 2.0% had Māori religious beliefs, 0.7% were Hindu, 0.7% were Buddhist and 2.4% had other religions.

Of those at least 15 years old, 138 (18.2%) people had a bachelor or higher degree, and 162 (21.3%) people had no formal qualifications. 84 people (11.1%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 255 (33.6%) people were employed full-time, 114 (15.0%) were part-time, and 33 (4.3%) were unemployed.^[8]