Elvina Bay is a bay and adjacent suburb in northern
Sydney, in the state of New South Wales, Australia.
Elvina Bay is located 35 kilometres north of the
Sydney central business district, in the local
government area of Northern Beaches Council.

Elvina Bay is within the Ku-ring-gai Chase National
Park, on the western shores of Pittwater, beside
Lovett Bay. Scotland Island, Church Point and
Morning Bay. Clareville is on the opposite
(eastern) Pittwater shore. Elvina Bay is an attractive
location, often used for picnics and other family
recreation.