on your way down get the book "wada and kayak fishing on the upper coast of Texas" from Fishing Tackle Unlimited on I45 and the beltway. This book will tell you everything you need to know. It has ALL the places to put in a kayak or places to walk in from the bank, and alot of maps. I dont personally fish from a kayak but if I did this book would be very helpful.
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"Its not how deep you fish, its how you wiggle your worm."