Piers are good at low and high tide. Live shrimp or mullet carolina rigged or under a popping cork. Should be able to catch trout, reds, flounder, or croaker. Use a #2 or #3 hook for live bait. 1/2oz-2oz weight to keep bait down on bottom or under cork depending on the current.
You don't need a net as long as you use at least 40 lb test to pull them up or there are others on the piers with nets to help. Bait can be bought all along hwy 45 going to Galveston.
USAF Retired and Fishing!