Goose Island State Park, 321.4 acres surrounded by the St. Charles and Aransas bays, is located north of Rockport in Aransas County. The park was acquired in 1931-1935 by deeds from private owners and a legislative act setting aside the state-owned Goose Island as a state park. The earliest park facilities were constructed by the in the early 1930s.
The Big Tree, named State Champion Coastal Live Oak (Quercus virginiana) in 1969, is thought to be one of the largest in the nation. Estimated to be over 1,000 years old, the Big Tree has a circumference of 35 feet, is 44 feet in height and has a crown spread of 90 feet.