Go by Boyd's One Stop at the base of the TxCity Dike. They carry BOYLE'S ANCHORS. They are the BEST anywhere you anchor. You will most likely use a 9#'er. Accept NO substitutes. Around $35. I use about 4 ft. of chain with mine.
Texas Anglers Recognition Program
TPWD Official Weigh Station,77563
Coastal Bend Weigh Team, Cert. Weigh Master