Indianapolis Island is a public artwork by American artist Andrea Zittel, located in the 100 Acres: The Virginia B. Fairbanks Art and Nature Park, in Indianapolis, Indiana, United States. The artwork consists of an inhabitable, white fiberglass structure that is mounted onto a floating dock system and installed in the 100 Acres lake. Each summer season it is occupied by resident(s) who can choose to modify the island's structure and interior design according to his or her own individual needs.