TypeBayDetailsHalf Moon Bay is on the eastern shore of Berowra Creek immediately north of Joe Crafts Bay. It was presumably named because of its shape. CreatorPowell, John P. (1994) Placenames of the Greater Hawkesbury Region, Hawkesbury River Enterprises: Berowra, p.47
Powell, John P. (1994) Placenames of the Greater Hawkesbury Region, Hawkesbury River Enterprises: Berowra, p.47, Half Moon Bay. Hornsby Shire, accessed 26/04/2026, https://hornsbyshire.recollect.net.au/nodes/view/4331