Emerald Bay is a census-designated place (CDP) in Smith County, Texas, United States. It is located on the eastern side of Lake Palestine, near Bullard. It is a census-designated place (CDP) created for the 2010 census. Emerald Bay had a population of 1,146 as of the 2020 census.
Emerald Bay first appeared as a census designated place in the 2010 U.S. census.
As of the 2020 United States census, there were 1,146 people, 442 households, and 361 families residing in the CDP.