Tybee Island is an island and a present-day city in Chatham County, Georgia near the city of Savannah. As of the 2000 census, the city population was 3,392. The island, which includes the city of the same name, had a population of 3,713. Tybee Island apartments for rent comparison page shows most up to date rent information on Tybee Island apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.