As a child, Lucas lived in Melbourne, then in Switzerland, but later moved to a small mining town in Kakadu National Park in the Northern Territory with her sister. She has a Swiss mother and an Australian father, and speaks French[citation needed] and German in addition to her native English. Lucas went to a High School named St. Monicas, in Cairns, Australia.

Lucas enrolled with the Victorian College of Arts but had never pursued commercial roles until she was spotted at the Port Douglas market by Sharron Meissner, a Sydney theatrical agent. She auditioned for the role of Kit Hunter in Home and Away (now played by Amy Mizzi); while the producer of the show, Julie McGauran, felt that role was not right for Isabel, she was sufficiently impressed to have Read more...

In October of 2007, Isabel Lucas was part of a group of 30 people from Sea Shepherd Conservation Society (including American actress Hayden Panettiere) who took part in a protest against whaling in Taiji, Wakayama, Japan. The group paddled out on surfboards to the whales to attempt to stop the local fishermen from carrying out their hunt, but they were forced to turn around after being intercepted Read more...