Wampanoag people
His district included precincts in Barnstable and Yarmouth, Massachusetts including lands proposed by the Mashpee band of the Wampanoag people to be set aside in federal trust for the purposes of Indian gaming. Atsalis is a proponent of plans by Mashpee Chairman Cedric Cromwell to develop a broad scale Native American reservation casino resort complex to be financed by the Genting Group in his district.