Bring plenty of water to drink if they allow coolers.
Bring sandwiches, crackers and handiwipes.
Bring a handtowel to hang on your pants to wipe fish goo off your hands.
SUNBLOCK 45SPF at least and also some for your lips........even if you are tan , the ocean magnifies the rays....do not play with this, you will pay.
Sunglasses and a shade hat if can wear one.
Bring cash....you will want to tip your mate for baiting and helpfulness.Bring gallon Ziplocks for filets of your catch.