Tiki Island is a village in Galveston County, Texas. As of the 2020 United States census, there were 1,106 people, 626 households, and 350 families residing in the village.

Tiki Island is largely man-made and was built in the 1960s, when developers dug canals and used the fill to elevate the land to between 4 and 10 feet above sea level. At first, Tiki was primarily a small fishing camp, though it evolved into a place for weekend homes, then into a village that was incorporated on August 30, 1982. Its upscale homes sit mainly on the waterfront.

Tiki Island has a full-time police department and volunteer fire department. Lacking its own post office, mail delivery is the responsibility of the nearby Galveston post office.