Great Mackerel Beach is a suburb 43 kilometres
north of the Sydney central business district in the
local government area of Northern Beaches
Council, Sydney, New South Wales, Australia. It is
on the western shores of Pittwater in Ku-ring-gai
Chase National Park, beside Currawong Beach,
and near Coasters Retreat and Palm Beach.
Great Mackerel Beach has no road access and no
roads or vehicles; access is by the Palm Beach
Ferry, water taxi, or private boat.
There are no shops, public toilets, barbecue or
picnic facilities, public rubbish facilities, or public
drinking water taps at Great Mackerel Beach.