Brazosport, Brazoria co., S Texas, industrial area and shipping port at mouth of Brazos R. of Gulf of Mexico, on Gulf Intracoastal Waterway; centered on Freeport (deepwater port), it also includes Lake Jackson, Clute, Angleton, and other communities. Sulphur production, processing, shipping; chemical mfg. (esp. extraction of magnesium and bromine from seawater). Old port of Velasco now part of Surfride Beach.
