| Official Name: | Emerald Bay, Texas |
| Settlement Type: | Census-designated place |
| Pushpin Mapsize: | --> |
| Mapsize: | 300px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Smith |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 1.5 |
| Area Land Sq Mi: | 0.75 |
| Area Water Sq Mi: | 0.75 |
| Population As Of: | 2020 |
| Population Total: | 1146 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Coordinates: | 32.1603°N -95.4381°W |
| Postal Code Type: | Zip Code |
| Postal Code: | 75757 |
| Pushpin Map: | USA Texas |
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.[1] 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.
| White (NH) | 1,082 | 94.42% | |
| Black or African American (NH) | 9 | 0.79% | |
| Native American or Alaska Native (NH) | 5 | 0.44% | |
| Asian (NH) | 12 | 1.05% | |
| Mixed/Multi-Racial (NH) | 24 | 2.09% | |
| Hispanic or Latino | 14 | 1.22% | |
| Total | 1,146 |