A 1901 census shows 13 men, 4 women, and 14 homes.[3] In 1918, Bannatyne was listed within the St. George electoral district and its nearest post town was Curling.[4][3]
In 2014, Bannatyne Cove, along with a number of other locations around the Bay of Islands, showed signs of a green crab infestation.[5] An inedible, invasive species, it caused concern among biologists, as it is highly aggressive.