Seis Lagos, Texas
Seis Lagos is a gated community and census-designated place (CDP) in Collin County, Texas, United States. It was first listed as a CDP prior to the 2020 census. The Seis Lagos Community is located in Lucas, Texas, but outside the city municipality, in the extraterritorial jurisdiction. The State designates certain areas as the extraterritorial jurisdiction of municipalities to promote and protect the general health, safety, and welfare of persons residing in and adjacent to the municipalities. It is in the southern part of the county, bordered to the north, west, and south by the city limits of Lucas. It is  northeast of the center of Dallas. As suggested by the name, six lakes have been built into the rolling terrain of the community. History 

Seis Lagos was developed by the original “JR”, the owner of Southfork Ranch. Joe Duncan built his family home in 1970 and the home and ranch were featured in the 1970s and 1980s television show Dallas. Seis Lagos was developed by Joe Duncan with Duncan Developments. References 

Populated places in Collin County, Texas
Census-designated places in Collin County, Texas
Census-designated places in Texas