Arcadia Vale is a suburb of the City of Lake Macquarie in New South Wales, Australia between the town centres of Toronto and Morisset on the western shore of Lake Macquarie. It has a population of 1,381 down from 1,518 in 2006.
Arcadia Vale was subdivided in 1922. During the Great Depression, many out-of-work miners and their families moved into boatsheds on the waterfront. The first school opened in 1958.