Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Tega Cay is a planned city in York County, South Carolina, United States. The city is a suburb of Charlotte, North Carolina and Rock Hill, South Carolina. The population was 4,044 at the 2000 census. The City of Tega Cay is located on a peninsula on Lake Wylie, which is twenty miles south of Uptown Charlotte and five miles north of Downtown Rock Hill. The name Tega Cay is Polynesian for Beautiful Peninsula.