Bayside is a town in southern Refugio County, in the U.S. state of Texas.

[4] Bayside is located on the west side of Copano Bay at 28°5′48″N 97°12′42″W / 28.09667°N 97.21167°W / 28.09667; -97.21167 (28.096591, –97.211589).

31.4% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older.

The Town of Bayside is served by the Woodsboro Independent School District.

Bayside has the same zip code as Les Clayes-sous-Bois (France).